TNPSC Group 4 Physics Question Paper with Answers - 1

Question: 1

A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole?

(A) will increases first and then decrease

(B) remain constant

(C) decreases

(D) increases

Question: 2

Which of the following is a paramagnetic?

(A) Copper

(B) Cobalt

(C) Nickel

(D) Chromium

Question: 3

A three dimensional photograph is prepared through

(A) photochromatic process

(B) photography

(C) holography

(D) radiography

Question: 4

The weight of an object would be minimum when it is placed

(A) at the centre of the earth

(B) at the South Pole

(C) at the North Pole

(D) at the equator

Question: 5

On which one of the following conservation laws, does a rocket work?

(A) Angular momentum

(B) Mass

(C) Linear momentum

(D) Energy