It is an optical illusion in which atmospheric refraction by a layer of hot air distorts or inverts reflections of distant objects.
47) Of the following natural phenomena, tell which one known in Sanskrit as 'deer's thirst'?
Answer is:
mirage
Explanation:
Related General Physics MCQ with Answers
Answer is:
normal atmospheric pressure is maintained by the use of air pumps
Explanation:
At high altitude pressure is less, pressure difference can damage the plane because there will appearer a thrust on plane from high pressure to low pressure. In order to avoid from damage air pressure inside the plane is adjusted by using air pumps.
Answer is:
Air, water and iron
Explanation:
the speed of sound is more in solids as compared to liquids and speed of sound is more in liquids than in gases
Answer is:
10-3m
Explanation:
1 micron =10-6m So 1000 microns =1000*10-6 = 10-3m.
Answer is:
steel
Explanation:
It happens because in solids the amplitude of wave is less then other medium therefore distance travelled is less in solids therefore speed is increased.