NDA 2015 Paper 2 | Physics Question 20 | General Science

General Science

Physics

Chemistry

Biology

NDA 2015 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Which one of the following statements is not correct?

The Kelvin scale of temperature is called the absolute scale.

Visible light radiation has wavelength range of 400-700 nm.

The capacity to do work is called power.

The wavelength of $$\gamma$$-rays is less than the wavelength of X-rays.

NDA 2015 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

A man is sitting in a train which is moving with a velocity of 60 km/h. His speed with respect to the train is

$${{10} \over 3}$$ m/s

60 m/s

infinite

zero

NDA 2015 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Which one of the following is the SI unit of the thermal conductivity of a material?

Wm^$$-$$1K^$$-$$1

Wm/K

Wm^$$-$$1/K^$$-$$1

Js^$$-$$1m^$$-$$1K

NDA 2015 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Which one of the following statements is not correct?

Conduction can occur easily in solids, less easily in liquids but hardly at all in gases.

Heat energy is carried by moving particles in a convection current.

Heat energy is carried by electromagnetic waves in radiation.

The temperature at which a solid changes into a liquid is called the boiling point.

Questions Asked from Marks 2.5