5 Most Common NDA 2 2017 Exam Physics MCQs

Defence entrance exams such as NDA entrance exam have chemistry common in their syllabus, in this article we are sharing 5 Most Common NDA 2 2017 Exam Chemistry MCQs.

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5 Most Common NDA 2 2017 Exam Physics MCQs

 

Q. The force of gravity on a body varies slightly from place to place on the earth for two reason. (i) shape of earth and (ii) ?

1. the rotation of the earth
2. the circumference of the earth
3. the mass of the earth
4. All of these

Q. The weight of a body in a frame of reference is equal and opposite to the force required to prevent it?

1. from accelerating from rest in that frame of reference.
2. from providing a velocity equal to its instantaneous velocity,
3. from an elastic collision
4. from increasing its momentum.

Q. The resistance of a conductor increases for a given material at ‘constant temperature when?

1. its length decreases and thickness increases.
2. its thickness increases
3. its length increases
4. Its length increases and thickness decreases.

Q. A refrigeration system

1. rejects energy to a low temperature body
2. removes heat from a high temperature body and delivers it to a low temperature body
3. removes heat from a low temperature body and delivers it to a high temperature body
4. none of the above

Q. If we drop a ball in horizontal direction than its motion will no longer be straight downward but will be at some?

1. distance to the vertical.
2. angle to the vertical.
3. steps to the vertical.
4. height to the vertical.

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