Physics

When a graph between two physical quantities is straight line passing through the origin with positive slope , then the two quantities are

SOLUTION
then those two quantities are directly proportional.

You're just one step away

Subjective Medium Published on 18th 08, 2020
Questions 244531
Subjects 8
Chapters 125
Enrolled Students 201

Realted Questions

Q1 Single Correct Medium
In an experiment, the period of oscillation of a simple pendulum was observed to be $2.63 s$, $2.56 s$, $2.42 s, 2.71 s$, and $2.80 s$. The mean absolute error is:
• A. $0.11 s$
• B. $0.12 s$
• C. $0.13 s$
• D. $0.14 s$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q2 Single Correct Medium

The dimensional formula
for the physical quantity $\cfrac {B \mu_0 \epsilon_0}{E}$ is : (E=intensity
of electric field, B-magnetic induction and symbols have their usual meaning)

• A. $L^oMT$
• B. $L^1MT^{-1}$
• C. $L^{-3}MT^3$
• D. $L^{\cfrac {1}{2}}MT^{-\cfrac {1}{2}}$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q3 Subjective Medium
Find the dimensions of:
(i) Power, (ii) Forces and (iii) Permittivity of vacuum $(\varepsilon_o)$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q4 Single Correct Medium
If maximum percentage errors in measurement of length, mass and time are 2%, 1% and 1% respectively then maximum percentage error in kinetic energy will be
• A. $1 %$
• B. $4 %$
• C. $7 %$
• D. $5 %$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q5 Subjective Medium
The distance of a galaxy is $56 \times10^{25}m$. Assume the speed of light to be $3\times10^8 m s^{-1}$. Express order of magnitude of time taken by light travelled to the galaxy.

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020