Units and Measurements Test

Result

Units and Measurements Test - 37

Score
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Weekly Quiz Competition

Question 1
4 / -1

A

B

C

D

Solution
Question 2
4 / -1

The units and dimensions of electric field intensity are

A

B

C

D

Solution
Question 3
4 / -1

The wavelength λ associated with a moving particle is given by λ= m^pυ^qh^r where m is mass, υ is velocity and h is Planck’s constant. The correct set of values of p, q, r is

A
p =1, q =1, r =1

B
p = –1, q = –1, r = –1

C
p = –1, q = –1, r =1

D
p =1, q = –1, r =1

Solution
Question 4
4 / -1

A

B

C

D

Solution
Question 5
4 / -1

The velocity of a body which has fallen under gravity varies as g^ah^b, where g is acc. due to gravity and h is the height. The values of a and b are

A
a=1, b =1/2

B
a= b=1

C
a =1/2, b =1

D
a=1/2;b =1/2

Solution
Question 6
4 / -1

Dimensional formula for thermal conductivity is

A

B

C

D

Solution
Question 7
4 / -1

L²T^–2K^–1 are the dimensions of

A
water equivalent

B
specific heat

C
thermal capacity

D
entropy

Solution
Question 8
4 / -1

A
work/time

B
work × distance

C
work/distance

D
work × time

Solution
Question 9
4 / -1

The dimensions of absolute electrical permittivity of free space are

A

B

C

D

Solution
Question 10
4 / -1

A force F is applied on a square plate of side L. If percentage error in determination of L is 2% and that in F is 4%, what is permissible error in pressure?

A
2%

B
4%

C
6%

D
8%

Solution