Match List - I with List - II : List - I List - II (a) Gravitational constant (G) (i) L 2 T - 2 (b) Gravitational potential energy (ii) M - 1 L 3 T - 2 (c) Gravitational potential (iii) LT - 2 (d) Gravitational intensity (iv) ML 2 T - 2 Choose the correct answer from the options given below:

(a) - (ii), (b) - (iv), (c) - (i), (d) - (iii)

(a) - (ii), (b) - (iv), (c) - (iii), (d) - (i)

(a) - (iv), (b) - (ii), (c) - (i), (d) - (iii)

(a)-(ii), (b)-(i), (c) - (iv), (d) - (iii)

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The angle of $1'$ (minute of arc) in radian is nearly equal to

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Important Questions on Physical World and Measurement

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>NEET Phase 2 (14 October 2020)>Q 8

A plano-convex lens of unknown material and unknown focal length is given. With the help of a spherometer we can measure the

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>NEET Phase 2 (14 October 2020)>Q 9

Time intervals measured by a clock give the following readings: $1.25 s, 1.24 s, 1.27 s, 1.21 s$ and $1.28 s$ . What is the percentage relative error of the observations?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>NEET - 13th September 2020>Q 10

Dimensions of stress are:

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>NEET - 13th September 2020>Q 11

Taking into account of the significant figures, what is the value of

9.99 m - 0.0099 m

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>NEET - 13th September 2020>Q 12

A screw gauge has least count of

0.01 mm

and there are

50

divisions in its circular scale. The pitch of the screw gauge is:

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>NEET - 5th May 2019>Q 13

In an experiment, the percentage of error occurred in the measurement of physical quantities

A, B, C

and

D

are 1%, 2%, 3% and 4%, respectively. Then the maximum percentage of error in the measurement

X

, where

X = \frac{A^{2} B^{\frac{1}{2}}}{C^{\frac{1}{3}} D^{3}}

will be

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>NEET - 6th May 2018>Q 14

A student measured the diameter of a small steel ball using a screw gauge of least count

0.001 cm

. The main scale reading is

5 mm

and

25^{t h}

division of circular scale coincides with reference line. If screw gauge has a zero error of

- 0.004 cm

, the correct diameter of the ball is

MEDIUM

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 1 - Physical World and Measurement>NEET - 7th May 2017>Q 15

A physical quantity of the dimensions of length that can be formed out of

c, G

and

\frac{e^{2}}{4 π ε_{0}}

, where [

c

is velocity of light,

G

is universal constant of gravitation,

e

is charge &

ε_{0}

is permittivity of free space]:

The angle of 1' (minute of arc) in radian is nearly equal to

Important Questions on Physical World and Measurement

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The angle of $1'$ (minute of arc) in radian is nearly equal to