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General Knowledge - Physics

Exercise : Physics - Section 1
  • Physics - Section 1
26.
On a rainy day, small oil films on water show brilliant colours. This is due to
dispersion
interference
diffraction
polarization
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Point A is at a lower electrical potential than point B. An electron between them on the line joining them will
move towards A
move towards B
move at right angles to the line joining A and B
remain at rest
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Materials for rain-proof coats and tents owe their water-proof properties to
surface tension
viscosity
specific gravity
elasticity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
RADAR is used for
locating submerged submarines
receiving a signals in a radio receiver
locating geostationary satellites
detecting and locating the position of objects such as aeroplanes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Sound of frequency below 20 Hz is called
audio sounds
infrasonic
ultrasonic
supersonics
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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