Physics Test 3 General Science Aptitude
Physics Test 3 General Science Aptitude
Question 1
The carrier waves used for the radio transmission have frequency upto_____?
Radio transmission for long waves uses carrier frequencies up to about 30 KHz. These low frequencies help in long-distance communication.
Not clear enough?
Question 2
Video camera is used to convert_____?
A video camera captures images (pictures) and converts them into electrical signals for storage or transmission.
Not clear enough?
Question 3
The range of a 100 meter high TV transmitter ariel is about_____?
The range of line-of-sight transmission increases with antenna height. For a 100 m high TV transmitter, the approximate range is 30 km.
Not clear enough?
Question 4
The waves used for sending signals to the satellite from ground station are_____?
Microwaves are used to send signals to satellites because they can penetrate the atmosphere with minimal loss.
Not clear enough?
Question 5
A mobile phone sends and receives messages through_____?
Mobile phones transmit and receive information using radio waves within the microwave frequency band.
Not clear enough?
Question 6
The procedure of crushing the gallstones and kidney stone by laser is called_____?
Lithotripsy is a medical procedure where laser or shock waves are used to break kidney or gallstones into smaller pieces for removal.
Not clear enough?
Question 7
Three dimensional image formed by laser is called______?
A hologram is a three-dimensional image created using laser light interference patterns.
Not clear enough?
Question 8
Optical fibers are the fine strands of_____?
Optical fibers are made of fine glass strands that transmit light signals over long distances with minimal loss.
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Question 9
The satellites which revolve in such an orbit, so that they move with earth rotation are called_____?
Satellites in geostationary orbit revolve with the Earth's rotation, appearing fixed relative to a point on Earth.
Not clear enough?
Question 10
Radar transmits short pulses of high frequency called_____?
Radar systems use radio waves to detect objects, their distance, and speed by analyzing the reflected signals.
