SSC CGL, CHSL, MTS, GD, SI, JE Physics Previous Year Questions Pdf - 1

Question: 1

When a coil is rotated in magnetic field, induced current is generated in the coil. This principle used in making

(A) Electric generator

(B) Electric wattmeter

(C) Electromagnet

(D) Electric motor

Question: 2

The smallest object that can clearly be seen with the help of an optical microscope, is of the order of

(A) Centimetre

(B) Nanometer

(C) Micrometer

(D) Millimeter

Question: 3

The anode in a dry cell consists of

(A) Cadmium

(B) Copper

(C) Graphite

(D) Zinc

Question: 4

Safety wire used in domestic electrical appliances is made of a metal of

(A) Low resistance

(B) Low specific gravity

(C) Low melting point

(D) None of the above

Question: 5

The most efficient engine is

(A) Steam

(B) Electric

(C) Diesel

(D) Petrol