Recent questions and answers in Physics and Measurement

by JeeNeetQnA in Physics and Measurement answered 3 days ago 20 views

Find the significant figure in 50000.020 × 10^-3

Find the significant figure in 50000.020 × 10-3 (a) 5 (b) 6 (c) 7 (d) 8

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by JeeNeetQnA in Physics and Measurement asked Jul 26 11 views

If W = work done, T = Temperature, KB = Boltzmann constant, x = Displacement & W = αβ^2 e x^2/αKBT

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by Lakshmi in Physics and Measurement answered May 24 144 views

Taking into account of the significant figures, what is the value of 9.99 m - 0.0099 m ?

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by Lakshmi in Physics and Measurement answered May 24 645 views

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

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by JeeNeetQnA in Physics and Measurement asked Apr 13 59 views

A screw gauge shows 8 division on circular scale below reference line when no object is placed. Number of division on

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by momin in Physics and Measurement answered Apr 10 97 views

Find out dimension of 1/4πε0 e2/hc where e : electronic charge, ε0 = permittivity of free space, h : plank constant

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by JeeNeetQnA in Physics and Measurement asked Mar 1 63 views

If work = α⋅β^2⋅e^−x2α⋅KT, where, K = Boltzmann constant, T = temp, then find dimension of β

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by JeeNeetQnA in Physics and Measurement asked Feb 4 49 views

In momentum (P), area (A) and time (T) are taken to be the fundamental quantities then the dimensional formula

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by Huzaifa Noori in Physics and Measurement asked Jan 19 37 views

Dimensions of stress are :

Dimensions of stress are : (1) [ML-1T-2] (2) [MLT-2] (3) [ML2T-2] (4) [ML0T-2]

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by Huzaifa Noori in Physics and Measurement asked Jan 19 40 views

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

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by JeeNeetQnA in Physics and Measurement answered Jan 8 4.7k views

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

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by JeeNeetQnA in Physics and Measurement asked Dec 3, 2020 79 views

If speed V, area A and force F are chosen as fundamental units, then the dimension of Young's modulus will be

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by JeeNeetQnA in Physics and Measurement answered Nov 28, 2020 271 views

The least count of the main scale of a vernier callipers is 1 mm. Its vernier scale is divided into 10 divisions

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by Huzaifa Noori in Physics and Measurement answered Nov 9, 2020 115 views

In an experiment, the percentage of error occurred in the measurement of physical quantities A, B, C and D

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by JeeNeetQnA in Physics and Measurement asked Oct 19, 2020 29 views

The unit of thermal conductivity is :

The unit of thermal conductivity is : (1) J m K–1 (2) J m–1 K–1 (3) W m K–1 (4) W m–1 K–1

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