NEET (National Eligibility cum Medical Entrance Test) Physics: Questions 53 - 57 of 2142

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Question number: 53

» Kinematics » Motion in a Straight Line

MCQ▾

Question

A body travels for 15 second starting from rest with constant acceleration. If it travels distances S 1, S 2 and S 3, in the first five seconds, second five seconds and next five seconds respectively the relation between S 1, S 2 and S 3 is

Choices

Choice (4) Response

a.

s 1 = s 2 = s 3

b.

s 1 =

Equation

s 2 =

Equation

s 3

c.

5s 1 = 3s 2 = s 3

d.

s 1 =

Equation

s 2 =

Equation

s 3

Question number: 54

» Physics and Measurement » Accuracy and Precision of Measuring Instruments

MCQ▾

Question

A wire has a mass 0.3 + 0.003g, radius 0.5 + 0.005 mm and length 6 + 0.06 cm. The maximum percentage error in the measurement of its density is

Choices

Choice (4) Response

a.

1

b.

4

c.

2

d.

3

Question number: 55

» Physics and Measurement » SI Units

MCQ▾

Question

What is the relationship between dyne and newton of force?

Choices

Choice (4) Response

a.

l dyne = 107 newton

b.

1 dyne = 10-7 newton

c.

l dyne = 105 newton

d.

1 dyne = 10 - 5 newton

Question number: 56

» Kinematics » Motion in a Straight Line

MCQ▾

Question

A particle moves along x-axis with acceleration a = a 0 (1 –t/T) where a 0 and T are constants if velocity at t = 0 is zero then find the average velocity from t = 0 to the time when a = 0.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 57

» Physics and Measurement » Technology and Society

MCQ▾

Question

Which of the following pairs is wrong?

Choices

Choice (4) Response

a.

Temperature-Thermometer

b.

Pressure-Barometer

c.

Relative density-Pyrometer

d.

Earthquake-Seismograph

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