The SI unit for intensity of light is:
- (A) Mole
- (B) Weber
- (C) Candela
- (D) Meter
- (C) Candela
‘Nautical mile’ is a unit of time used in:
- (A) Space travel
- (B) Navigation
- (C) Race
- (D) Aviation
- (B) Navigation
What is the unit for measuring the amplitude of a sound?
- (A) Decibel
- (B) Coulomb
- (C) Hum
- (D) Cycles
- (A) Decibel
“Knot” is a unit of speed of which of the following?
- (A) Light waves
- (B) Ship
- (C) Sound waves
- (D) Aero-planes
- (B) Ship
The shortest unit of length is:
- (A) Micron
- (B) Nanometer
- (C) Angstrum
- (D) Fermimeter
- (D) Fermimeter
Which of the following scale of temperature does not have a negative value?
- (A) Celsius
- (B) Reumer
- (C) Kelvin
- (D) Fahrenheit
- (C) Kelvin
A chronometer measures _______.
- (A) Sound waves
- (B) Time
- (C) Water waves
- (D) Color contrast
- (B) Time
What is the unit of ‘Magnetic Flux Density (field)’?
- (A) Mole
- (B) Henry
- (C) Tesla
- (D) Weber
- (C) Tesla
Curie is the unit of:
- (A) Energy
- (B) Heat
- (C) Temperature
- (D) Radioactivity
- (D) Radioactivity
The distance between the earth and other planets is generally expressed in terms of:
- (A) Kilometers
- (B) Light years
- (C) Miles
- (D) Knots
- (B) Light years