Check the answers pls and don't ask to send one by one pls.... It just creates spam and is harder for both .....
Pls and fast

Check the answers pls and don't ask to send one by one pls.... It just creates spam and is harder for both ..... Pls and fast 18 Tne tne measurement ot the side n"easurement Of its volume is 0.081 (2) 0054 (4) 0046 19, Zero error in an instrument introduces (1) Systematic error (2) Randorn error count error (4) Personal error 20. A packet contains silver powder of mass 2023 g 001 g. Some of the powder of mass 575 g ± 0.01 g is taken out from it. The mass of the powder left back is (1) 14.48 gto.oog .44 48±002 g (3) 14.59* M g (4) 14.5 g ± 0.2 g 21, The addition of three masses 1.6 g, 7.32 g and 4.238 g. addressed upto proper decimal places is 26. 27. 29. 30, 31. 32, 33. 34. The nurnber of significant figures in the measured value 00204 is (l) Five (3) Fcnr The nwnber of significant Egures in the measured value 26000 iS (l) Fie (3) Tivee (4) Infinite The number of significant zeroes present in the meas ed value 0.020040. IS (3) ore (4) Thr«' The number or significant figures in the measured value 4.700 m is the same as that in the value (1) 4700m (3) 4070m (2) 0.047m 470.0 m (1) (3) 13.16g (4) 13.15g If a calculated value 2.7465 g contains only three significant figures. the two insignificant digits in it 22. The area of a sheet of length 10.2 cm and width 6.8 cm addressed upto prcper nunber Of sonificant figures is (1) 69.36 a-na 2 and 7 and 5 (2) 69.4 cm2 (2) 7 and 4 (4) 4 and 6 23. The radius of a sphere is (2.6 ± 0.1) cm. P¢age error in its volume is The 0.1 2.6 0.1 0.1 26 01 An object of mass 4.237 g occupies a volume 1.72 cm3 The density of ttE object to appropriate significant figures s 8<46 g cm-3 (2) 2.463 g cm-3 (3) 2.5 g cm-• (4) 2.50 g Round off the value 2.845 to three significant (3) x 100% (4) 2.6 3x2.6 24 uncertain digit in the measurement of a reported as 41.68 cm is 25. We reduce random errors by 11) large run-ber of observations (2) error (3) By fouowing groper technique of expenrnent figures. (1) 285 (3) 280 (4) 2.83 A length 5997 m rounded off to three significant figures is written as 6.00 m (3) 595m (2) 5.99m (4) 5.90m The order of the magnitude of speed of light in SI unit (1) 16

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