NDA 2017 Paper 1 | Physics Question 99 | General Science

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NDA 2017 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

The speed of a car travelling on a straight road is listed below at successive intervals of 1 s.

Image

Which of the following is/are correct? The car travels

1. with a uniform acceleration of 2 m/s².

2. 16 m in 4 s.

3. with an average speed of 4 m/s.

Only 1

2 and 3

1 and 2

All of these

NDA 2017 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

The speed of a body that has Mach number more than 1 is

supersonic

subsonic

300 m/s

about 10 m/s

NDA 2017 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

Rutherford's alpha-particle scattering experiment was responsible for the discovery of

electron

proton

nucleus

helium

NDA 2017 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

Which one of the following statements is not correct?

In the conduction mode of transference of heat, the molecules of solid pass heat from one molecule to another without moving from their positions.

The amount of heat required to raise the temperature of a substance is called is specific heat capacity.

The process of heat transfer in liquids and gases is through convection mode.

The process of heat transfer from a body at higher temperature to a body at lower temperature without heating the space between them is known as radiation.

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Questions Asked from Marks 2.5