Units and Measurements Test

Result

Units and Measurements Test - 72

Score
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Rank
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Weekly Quiz Competition

Question 1
4 / -1

The dimensions of electric potential are

A

B

C

D

Solution
Question 2
4 / -1

Dimensions of potential energy are

A

B

C

D
Question 3
4 / -1

In the force (F), length (L) and time (T) are assumed to be fundamental units, then the dimensional formula of the mass will be

A

B

C

D

Solution
Question 4
4 / -1

In the relation y = a cos(ωt – kx), the dimensional formula for k is

A

B

C

D

Solution
Question 5
4 / -1

Position of a body with acceleration \'a\' is given by x = Ka^mtⁿ, here t is time. Find dimensions of m and n.

A
m = 1, n = 1

B
m = 1, n = 2

C
m = 2, n = 1

D
m = 2, n = 2

Solution
Question 6
4 / -1

In a system of units if force (F), acceleration (A) and time (T) are taken as fundamental units, then the dimensional formula of energy is

A
FA²T

B
FAT²

C
F²AT

D
FAT

Solution
Question 7
4 / -1

Out of the following pairs, which one does not have identical dimensions

A
Moment of inertia and moment of force

B
Work and torque

C
Angular momentum and Planck's constant

D
Impulse and momentum
Question 8
4 / -1

The dimensions of gravitational constant G and the moment of inertia are respectively

A

B

C

D
Question 9
4 / -1

The dimensions of potential are the same as that of

A
Work

B
Electric field per unit charge

C
Work per unit charge

D
Force per unit charge
Question 10
4 / -1

A
0.1%

B
1%

C
0.2%

D
0.8%

Solution