Subject: Physics, asked 5 days, 2 hours ago

## What is dynamic equilibrium?differentiate between dynamic equilibrium and static equilibrium.?

Subject: Physics, asked 5 days, 10 hours ago

## Consider the case, in which a mirror forms a real image of height 4 cm of an object of height 1cm placed 20 cm away from the mirror. 1. The distance from the object to its image is (a) 20 cm (b) 80 cm (c) 60 cm (d) 70 cm 2. The focal length of mirror is (a) -16 cm (b)12 cm (c) -15 cm (d) 10 cm 3. The radius of curvature of the mirror is (a) -16 cm (b) -14 cm (c) -30 cm (d) -32 cm 4. The magnification of the image is (a) 3 (b) -6 (c) -4 (d) 8 5. At what distance must an object be placed from mirror in order that a real image double its size may be obtained? (a) -24 cm (b) 32 cm (c) -40 cm (d) 45 cm

Subject: Physics, asked 5 days, 10 hours ago

## What is Rayleigh scattering? Give essent ial condition for the same.

Subject: Physics, asked 6 days, 1 hour ago

## In case of circular loop carrying current, the strength of magnetic field is (a) constant everywhere (b) stronger inside the loop than outside the loop (c) weaker inside the loop than outside the loop (d) none of these

Subject: Physics, asked 6 days, 1 hour ago

## According to right-hand thumb rule direction of the curl of fingers of the right hand gives the (a) electric field lines (b) magnetic field lines (c) direction of magnetic field (d) direction of current

Subject: Physics, asked 6 days, 1 hour ago

## If a current carrying straight conductor is placed in west- east direction, then find the direction of the force experienced by the conductor due to earth's magnetic field. (a) Upward (b) Downward (c) Can't determined (d) Same as of current

Subject: Physics, asked 6 days, 2 hours ago

## A long horizontal power line is carrying a current of 100 A in the east-west direction. What is the direction of magnetic field at a point 1.0 m below it? (a) North-South (b) East-West (c) South-East (d) North-West

Subject: Physics, asked 6 days, 2 hours ago

## State the pattern of magnetic field lines for current carrying circular conductor. (a) Magnetic field lines will be concentric circles to any point of the circular loop (b) At centre, the field lines appear straight (c) Both of these (d) None of these i think , option c .

Subject: Physics, asked 6 days, 10 hours ago

## An object 4 cm high is placed at a distance of 15 cm in front of a convex mirror having a radius of curvature of 10 cm. Then the image formed is at a distance of?

Subject: Physics, asked 6 days, 10 hours ago

## Choose the wrong statement.(a) A concave mirror can form a magnified real image.(b) A concave mirror can form a magnified virtual image.(c) A convex mirror can form a diminished virtual image.(d) A convex mirror can form a diminished real image. PLS ANSWER ASAP

Subject: Physics, asked 6 days, 10 hours ago

## What is the direction of flow of electrons? What is meant by conventionally in the ncert reader?

Subject: Physics, asked 1 week ago

## Plz ans mu question quick

Subject: Physics, asked 1 week ago

## Find the value of resistance if 5 electrons are flowing for 10s in a conductor across which 200V potential difference is applied.

Subject: Physics, asked 1 week ago

## Can 1000C of charge be possible? Explain.

Subject: Physics, asked 1 week, 1 day ago