NDA 2017 Paper 2 | Physics Question 75 | General Science

General Science

Physics

Chemistry

Biology

NDA 2017 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Which one of the following statements about a satellite orbiting around the earth is correct?

Satellite is kept in orbit by remote control from ground station.

Satellite is kept in orbit by retro-rocket and solar energy keeps it moving around the earth.

Satellite requires energy from solar panels and solid fuels for orbiting.

Satellite does not required any energy for orbiting.

NDA 2017 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Which one of the following statements about energy is correct?

Energy can be created as well as destroyed.

Energy can be created but not destroyed.

Energy can neither be created nor destroyed.

Energy cannot be created but can be destroyed.

NDA 2017 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Step-up transformers are used for

increasing electrical power

decreasing electrical power

decreasing voltage

increasing voltage

NDA 2017 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Which one among the following waves carries the maximum energy per photon?

X-rays

Radio waves

Light waves

Microwaves

Questions Asked from Marks 2.5