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# Physics Objective Questions For Competitive Exams | Test Paper 1

## Physics Objective Questions For Competitive Exams

PHYSICS MCQ’s TEST PAPER -1

Physics Objective Questions For Competitive Exams | Groups | Banks | RRB’s

Light waves propagates in the form

a) Transverse waves

b) Longitudinal waves

c) Both ` `

a) Transverse waves

Units of frequency

a) second/cycle

b) cycle/second

c) cycle/min ` `

b) cycle/second

If the amplitude of waves decreases with respect to time, then such waves are

a) Sound waves

b) Slow amplitude waves

c) Damping waves ` `

c) Damping waves

maximum displacement of vibrating particle from its mean point known as

a) Amplitude

b) Acceleration

c) Magnitude ` `

a) Amplitude

Ultra sound wave used to scan the internal organs of the body is

a) Ultra X ray

b) Ultra scanning

c) Ultra Sonography ` `

c) Ultra Sonography

Sound through the solid is

a) Transverse waves

b) Longitudinal waves

c) Both ` `

a) Transverse waves

Transverse waves, pick odd

a) Solid

b) Liquids

c) Air ` `

c) Air

Humans can hear sound in range of

a) 10 Hz to 20,000 Hz

b) 20 Hz to 20,000 Hz

c) 20 Hz to 40,000 Hz ` `

b) 20 Hz to 20,000 Hz

Stationary waves carries energy from one point to another

a) YES

b) NO ` `

b) NO

Ultra Sonic waves can be generated in

a) Atom Bombarding

b) Atom Fussion

c) Piezueo electric effect ` `

c) Piezueo electric effect

The point where the density of the vibrating air molecules is maximum and its rarefaction is minimum

a) Amplitude

b) Rarefaction

c) Compression

c) Compression

In the Phenomenon of resonance, the natural frequency of two bodies should be

a) Low

b) Equal

c) High ` `

b) Equal

Distance between any two successive compression or rarefaction are called

a) Wave length

b) Wave aptitude

c) Time period ` `

a) Wave length

Propagation of sound waves is proposed by

a) Joule

b) Robert Boyle

c) Newton ` `

b) Robert Boyle

Smallest unit to measure wavelength is

a) Angstrom

b) nm

c) mm ` `

a) Angstrom

Inaudible wave beyond 20Hz are

a) Infrasonic and Ultrasonic

b) Infrasonic

c) Ultrasonic ` `

a) Infrasonic and Ultrasonic

Speed of sound in free space is

a) 343 meters per second

b) 0

c) 300 meters per second ` `

b) 0

To get echo, minimum condition is

a) Both

b) Separation distance 16.5 mts

c) Time Interval between two sounds atleast 1/10th second ` `

a) Both

Scientific name of moon and study of moon is

a) Moon, Moonology

b) Selene, Selenology

c) Planetary, Astrology ` `

b) Selene, Selenology

The waves which doesn’t require any material medium for propagation called

a) Sound waves

b) X rays

c) Electromagnetic waves ` `

c) Electromagnetic waves

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