### Gk for ssc exams

1. What is the unit for measuring the amplitude of a sound?

A.

B.Coulomb

C.Hum

D.Cycles

A.

**Decibel**B.Coulomb

C.Hum

D.Cycles

2.Reading of a barometer going down is an indication of

A.snow

B.storm

C.intense heat

D.

A.snow

B.storm

C.intense heat

D.

**rainfall**
3.Decibel is the unit for

A.speed of light

B.radio wave frequency

C.

D.intensity of heat

A.speed of light

B.radio wave frequency

C.

**intensity****of sound**D.intensity of heat

4.One fathom is equal to

A.

B.6 meters

C.60 feet

D.100 cm

A.

**6****feet**B.6 meters

C.60 feet

D.100 cm

5.Fathom is the unit of

A.sound

B.

C.frequency

D.

A.sound

B.

**depth**C.frequency

D.

__distance__
6.Light year is a measurement of

A.speed of aeroplanes

B.speed of light

C.

D.speed of rockets

A.speed of aeroplanes

B.speed of light

C.

**Stellar****distances**D.speed of rockets

7.Very small time intervals are accurately measure by

A.White dwarfs

B.Quartz clocks

C.

D.Pulsars

A.White dwarfs

B.Quartz clocks

C.

**Atomic****clocks**D.Pulsars

8.One kilometre is equal to how many miles?

A.0.84

B.0.5

C.1.6

D.

A.0.84

B.0.5

C.1.6

D.

**0.62**
9.kilohertz is a unit which measures

A.power used by a current of one ampere

B.

C.

D.electric resistance

A.power used by a current of one ampere

B.

**electromagnetic radio wave frequencies**C.

__voltage__D.electric resistance

10.One horse power is equal to

A.

B.748 watts

C.756 watts

D.736 watts

A.

**746 watts**B.748 watts

C.756 watts

D.736 watts

watts