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What is the nature of image formed by convex and concave lens and mirrors and how to show the light reflected by them?
what are any 3 uses of concave and convex lens?
-avi
difference between concave mirror and convex mirror
Q1.Convex mirror are used as reflector in street lamps whereas concave mirror is used as a reflector in torch and car headlight.why?
Q2.In reflector telescopes the bigger curved mirror is a convex mirror.This sentence is false.Give reason why it is false?
Whats the difference between real and virtual image?
A convex lens can burn a piece of paper using sunlight. give reason
What is a newton's disc
what is the meaning of real image,inverted image,virtual image,erect image?
why is concave mirror called as the converging mirror?
what is dispersion of light??
define reflection of light
give examples of rectilinear propagation of light
what do you mean by lateral inversion?
in the torch reflector cancave mirror is used then why convex mirror are used as reflector in street lamps
Why is a concave lens also called a diverging lens ?
I want some more examples on concave and convex mirror
what do you mean by reflection of light ?
whatare the differences between pinhole camera images and shadows?
Wells dug to get groundwater often dry up after some time.Why?What can be done to the well to get water from it again?
1. which of the following shows laterally inversion?
(a) plane mirror (b) concave mirrror (C) convex mirror (d) all of them
2. A ________ image is formed by the actual meeting of reflected rays.
3. what is lateral inversion?
Differntiate between the following-:
4. lense and mirror
5. concave mirror and concave mirror
6. luminous and non- luminous body
Give reason for the following
7. convex mirror is used as a rear view mirror.
high order thinking skills (hots)
8. how wil you distinguish between plane concave and convex mirror without touching them?
how does an electric bell work?
Fill in the blanks:
(a) An image that cannot be obtained on a screen is called ________.
(b) Image formed by a convex ________ is always virtual and smaller in size.
(c) An image formed by a ________ mirror is always of the same size as that of the object.
(d) An image which can be obtained on a screen is called a _______image.
(e) An image formed by a concave ________cannot be obtained on a screen.
Whats the difference between reflection and shadow?
Why is it dangerous to look at the sun through a convex lens
Explain the Electromagnetic spectrum of light
A virtual image larger than the object can be produced by a
(i) concave lens
(ii) concave mirror
(iii) convex mirror
(iv) plane mirror
what are the laws of reflection? explain with diagram.
information about akshayya urja din
Is make up mirror a concave or convex mirror???????????????????
What are the characteristics of convex mirror ?
Examples of Virtual and Real image
differences between food chain and food web
WHAT IS THE DIFFERENCE BETWEEN CONSTANT SPEED AND UNIFORM MOTION ?
What is linear propagation of light ?
a ray of light falls on a mirror normally. What are the values of angle of incidence and the angle of reflection ?
why is the convex mirror called as the diverging mirror?
Q.1 Fill in the blanks:-
what is the difference between reflection and deflection of light?
What are the characteristics of concave mirror ?
state the type of mirror the following items/ objects can act :
1. inside of a stainless steel bowl.
2. reflector of a torch.
3. polished wooden sufrace.
4. shiny surface of the bicycle bell.
please show me a pic of the VIBGYOR and prism?
Why we cannot see an object through a bent pipe ?
Why does newton's colour disc appear white on rotating ?
what is the difference between erect ,real & virtual.....?
difference between concave and convex lens?
AT A DEGREE CAN A PLANE MIRROR FORM A REAL IMAGE
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Syllabus
What is the nature of image formed by convex and concave lens and mirrors and how to show the light reflected by them?
what are any 3 uses of concave and convex lens?
-avi
difference between concave mirror and convex mirror
Q1.Convex mirror are used as reflector in street lamps whereas concave mirror is used as a reflector in torch and car headlight.why?
Q2.In reflector telescopes the bigger curved mirror is a convex mirror.This sentence is false.Give reason why it is false?
Whats the difference between real and virtual image?
A convex lens can burn a piece of paper using sunlight. give reason
What is a newton's disc
what is the meaning of real image,inverted image,virtual image,erect image?
why is concave mirror called as the converging mirror?
what is dispersion of light??
define reflection of light
give examples of rectilinear propagation of light
what do you mean by lateral inversion?
in the torch reflector cancave mirror is used then why convex mirror are used as reflector in street lamps
Why is a concave lens also called a diverging lens ?
I want some more examples on concave and convex mirror
what do you mean by reflection of light ?
whatare the differences between pinhole camera images and shadows?
Wells dug to get groundwater often dry up after some time.Why?What can be done to the well to get water from it again?
1. which of the following shows laterally inversion?
(a) plane mirror (b) concave mirrror (C) convex mirror (d) all of them
2. A ________ image is formed by the actual meeting of reflected rays.
3. what is lateral inversion?
Differntiate between the following-:
4. lense and mirror
5. concave mirror and concave mirror
6. luminous and non- luminous body
Give reason for the following
7. convex mirror is used as a rear view mirror.
high order thinking skills (hots)
8. how wil you distinguish between plane concave and convex mirror without touching them?
how does an electric bell work?
Fill in the blanks:
(a) An image that cannot be obtained on a screen is called ________.
(b) Image formed by a convex ________ is always virtual and smaller in size.
(c) An image formed by a ________ mirror is always of the same size as that of the object.
(d) An image which can be obtained on a screen is called a _______image.
(e) An image formed by a concave ________cannot be obtained on a screen.
Whats the difference between reflection and shadow?
Why is it dangerous to look at the sun through a convex lens
Explain the Electromagnetic spectrum of light
A virtual image larger than the object can be produced by a
(i) concave lens
(ii) concave mirror
(iii) convex mirror
(iv) plane mirror
what are the laws of reflection? explain with diagram.
information about akshayya urja din
convex lens is used in magnifying glass
Is make up mirror a concave or convex mirror???????????????????
What are the characteristics of convex mirror ?
Examples of Virtual and Real image
differences between food chain and food web
WHAT IS THE DIFFERENCE BETWEEN CONSTANT SPEED AND UNIFORM MOTION ?
What is linear propagation of light ?
a ray of light falls on a mirror normally. What are the values of angle of incidence and the angle of reflection ?
why is the convex mirror called as the diverging mirror?
Q.1 Fill in the blanks:-
(i) Light always travels in a ____________..(ii) Change in direction of light after striking a polished surface is called ____________.(iii) The phenomenon of left appearing right and right appearing left on reflection from amirror is called _____________.(iv) Real images are always ____________ while virtual images are always __________.(erect/inverted)(v) The reflecting side of a concave mirror curves ____________ while the reflecting sideof a convex mirror curves ______________ (inwards/outwards)(vi) Concave mirrors from ____________ and ____________ images whereas the imageformed by a convex mirror is always ____________ (real/virtual)(vii) ____________ mirrors are used as rear/side view mirrors and ____________ mirrorsare used as reflectors of headlights of vehicles.(viii) A ____________ lens converges rays of light falling on it hence it is also called a____________ lens.(ix) A concave lens always forms a ____________ (real/virtual) image which is____________ (erect/inverted) and ____________ (smaller/bigger) than the object.(x) Formation of shadows suggest that light travels in __________ lines.(xi) A __________ lens is thicker in the middle and tapering at the edges.Q.2 Multiple choice questions (Choose the correct option)(A) A virtual image formed by a plain or a spherical mirror(a) is always inverted (b) is always erect (c) is erect or inverted depending on thedistance of the object from the mirror(B) which of the following images can a convex lens not produce?(a) Real, Magnified (b) Virtual, magnified (c) erect, virtual (d) erect, diminished(C) which of the following is true for a convex mirror?(a) It can only form virtual images (b) It can only form real images (c) It can form realor virtual images depending on the distance of the object from the mirror (d) It canform real or virtual images depending on the size of the object.(D) which of the following can not split light into its seven colours?(a) diamond cut in a special way (b) Prism (c) Convex Lens (d) Water droplets suspendedin the air. (E) Sodium chloride will turn(a) Blue Litmus Red (b) Methyl orange yellow (c) Red Litmus blue (d) None of these1. How does a plane mirror differ from a spherical mirror?2. State the law of reflection.3. How many reflected rays can be for a given incident ray falling on a plane mirror?4. Two plane mirrors are placed 900to each other. An incident ray AB falls on one ofthe mirrors at 450. Draw the path of the reflected ray.5. Write down five English alphabets which do not show lateral inversion on reflectionfrom a plane mirror.6. You are standing at a distance of 1m. from a plane mirror (a) What is the distancebetween you and your image (b) By how much distance does your image move fromyou if you had walked 2m away from the original position.7. Under what conditions should a concave mirror, a plane mirror, a convex mirror formvirtual images?8. (a) What type of mirror is used in the following and why?(1) In a search light (2) as a side view mirror in a car (C) as a shaving mirror (4)vigilance mirror in a big shop.(b) Why is light not visible through a bent pipe?(c) If we want to make fire with the help of a lens using the rays of the Sun, what kind oflens should be used and why?(d) What kind of mirrors do the two surfaces of a spoon act as?HOTS QUESTIONSQ.1 What will be the difference in the size of the image (of the same object) formed by asmall and a large plane mirror?Q.2 Identity three letters of the English alphabet or of your mother tongue whose mirror 3.Q.3 Car rear view mirrors carry a warning message that objects in the rear view mirrorare closer than they appear. Why do you think this is so?Q.4 How many images do you think will be formed if an object is kept between two planemirrors parallel to each other?what is the difference between reflection and deflection of light?
What are the characteristics of concave mirror ?
state the type of mirror the following items/ objects can act :
1. inside of a stainless steel bowl.
2. reflector of a torch.
3. polished wooden sufrace.
4. shiny surface of the bicycle bell.
please show me a pic of the VIBGYOR and prism?
Why we cannot see an object through a bent pipe ?
Why does newton's colour disc appear white on rotating ?
what is the difference between erect ,real & virtual.....?
difference between concave and convex lens?
AT A DEGREE CAN A PLANE MIRROR FORM A REAL IMAGE