Q. What is the unit for measuring the amplitude of a sound?
(a) Decibel
(b) Coulomb
(c) Hum
(d) Cycles
Answer
Answer: Option A
Q. Reading of a barometer going down is an indication of
(a) snow
(b) storm
(c) intense heat
(d) rainfall
Answer
Answer: Option D
Q. Decibel is the unit for
(a) speed of light
(b) radio wave frequency
(c) intensity of sound
(d) intensity of heat
Answer
Answer: Option C
Q. One fathom is equal to
(a) 6 feet
(b) 6 meters
(c) 60 feet
(d) 100 cm
Answer
Answer: Option A
Q. Fathom is the unit of
(a) sound
(b) depth
(c) frequency
(d) distance
Answer
Answer: Option B
Q. Light year is a measurement of
(a) speed of aeroplanes
(b) speed of light
(c) Stellar distances
(d) speed of rockets
Answer
Answer: Option C
Q. Very small time intervals are accurately measure by
(a) White dwarfs
(b) Quartz clocks
(c) Atomic clocks
(d) Pulsars
Answer
Answer: Option C
Q. One kilometre is equal to how many miles?
(a) 0.84
(b) 0.5
(c) 1.6
(d) 0.62
Answer
Answer: Option D
Q. 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
Answer
Answer: Option B
Q. One horse power is equal to
(a) 746 watts
(b) 748 watts
(c) 756 watts
(d) 736 watts
Answer
Answer: Option A
Q. ‘Bar’ is the unit of
(a) temperature
(b) heat
(c) atmospheric pressure
(d) current
Answer
Answer: Option C
Q. One Joule is equal to
(a) 105 ergs
(b) 103 ergs
(c) 107 ergs
(d) 1011 ergs
Answer
Answer: Option C
Q. Kilowatt is a unit to measure
(a) work
(b) power
(c) electricity
(d) current
Answer
Answer: Option B
Q. Electric current is measure by
(a) commutator
(b) anemometer
(c) ammeter
(d) voltmeter
Answer
Answer: Option C
Q. A chronometer measures
(a) colour contrast
(b) sound waves
(c) time
(d) water waves
Answer
Answer: Option C
Q. Nautical mile is a unit of distance used in
(a) navigation
(b) road mile
(c) astronomy
(d) measuring the boundaries of a nation
Answer
Answer: Option A
Q. Knot is a unit of speed of which of the following?
(a) Aeroplane
(b) Light waves
(c) Ship
(d) Sound waves
Answer
Answer: Option C