NDA General Ability 18 April 2021 | Physics Question 379 | General Science

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NDA General Ability 18 April 2021

MCQ (Single Correct Answer)

-1.33

Consider the following statements about Light year:

1. Light year is a unit for measurement of very large distances.

2. Light year is a unit for measurement of very large time intervals.

3. Light year is a unit for measurement of intensity of light.

Which of the statements given above is/are correct?

1, 2 and 3

2 and 3 only

1 and 2 only

1 only

NDA General Ability 18 April 2021

MCQ (Single Correct Answer)

-1.33

Which one of the following regarding density of water at atmospheric pressure is correct?

Density of water at 4°C is 1000 kg/m³.

Density of water at 0°C is 1000 kg/m³.

Density of water at 0°C is 100 kg/m³.

Density of water at 4°C is 10 kg/m³.

NDA General Ability 18 April 2021

MCQ (Single Correct Answer)

-1.33

Which of the following pairs of physical phenomenon and the discover is/are correctly matched?

1. James Chadwick	Photoelectric
2. Albert Einstein	Neutron
3. Marie Curie	Radium

Select the correct answer using the code given below:

1, 2 and 3

1 and 2 only

2 and 3 only

3 only

NDA General Ability 18 April 2021

MCQ (Single Correct Answer)

-1.33

The statement "friction force is a contact force while magnetic force is a non-contact force" is

always true.

true only at 0°C.

a false statement.

either true or false depending upon the temperature of the surroundings.

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