Gk for ssc exams






1. What is the unit for measuring the amplitude of a sound?
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.rainfall
3.Decibel is the unit for
A.speed of light
B.radio wave frequency
C.intensity of sound
D.intensity of heat
4.One fathom is equal to
A.6 feet
B.6 meters
C.60 feet
D.100 cm
5.Fathom is the unit of
A.sound
B.depth
C.frequency
D.distance
6.Light year is a measurement of
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.Atomic clocks
D.Pulsars
8.One kilometre is equal to how many miles?
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.electromagnetic radio wave frequencies
C.voltage
D.electric resistance
10.One horse power is equal to
A.746 watts
B.748 watts
C.756 watts
D.736 watts
watts