Physics and Measurement (NEET Physics): Questions 50 - 55 of 61

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2098 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 50

» Physics and Measurement » Errors in Measurement

MCQ▾

Question

The mean time period of second’s pendulum is 2.00s and means absolute error in the time period is 0.05s. To express maximum estimate of error, the time period should be written as

Choices

Choice (4) Response

a.

(2.00 + 0.025) s

b.

(2.00 + 0.05) s

c.

(2.00 - 0.01) s

d.

None of the above

Question number: 51

» Physics and Measurement » SI Units

MCQ▾

Question

Wavelength of ray of light is 0.00006 m. It is equal to

Choices

Choice (4) Response

a.

600 microns

b.

60 microns

c.

0.6 microns

d.

6 microns

Question number: 52

» Physics and Measurement » Errors in Measurement

MCQ▾

Question

A physical quantity P is given by P =

A3B12C4D32

. The quantity which brings in the maximum percentage error in P is

Choices

Choice (4) Response

a.

D

b.

B

c.

A

d.

C

Question number: 53

» Physics and Measurement » Dimensions of Physical Quantities

MCQ▾

Question

What are the dimensions of permeability (µ 0) of vacuum?

Choices

Choice (4) Response

a.

[M L T -2 I -2]

b.

[M L T -2 I 2]

c.

[M L -1 T -2 I 2]

d.

[M L -1 T -2 I -2]

Question number: 54

» Physics and Measurement » Dimensions of Physical Quantities

MCQ▾

Question

In S = a + bt + ct 2, S is measured in meters and t in seconds. The unit of c is

Choices

Choice (4) Response

a.

ms -2

b.

m

c.

ms -1

d.

None of the above

Passage

Three of the fundamental constants of physics are the universal gravitational constant, G = 6.7 x 10 -11 m 3 kg -1 s -2, the speed of light, c = 3.0 x 10 8 m/s, and Planck’s constant,

h = 6.6 x 10 -34 kg m 2 s -1.

Question number: 55 (1 of 2 Based on Passage) Show Passage

» Physics and Measurement » Dimensions of Physical Quantities

MCQ▾

Question

Find the value of Planck time in seconds

The universal gravitational constant, G = 6.7 x 10 -11 m 3 kg -1 s -2, the speed of light, c = 3.0 x 10 8 m/s, and Planck’s constant, h = 6.6 x 10 -34 kg m 2 s -1.

Choices

Choice (4) Response

a.

2.3 10 -13 s

b.

1.3 10 -33 s

c.

1.3 10 - 43 s

d.

None of the above

Sign In