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General physics- Knowledge test
Question 71 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation?
Scattering | |
Diffraction | |
Interference | |
Polarization |
Question 72 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in
4.2 seconds | |
42 seconds | |
4.2 years | |
42 years |
Question 73 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
It is easier to roll a stone up a sloping road than to lift it vertical upwards because
work done in rolling is more than in lifting | |
work done in lifting the stone is equal to rolling it | |
work done in both is same but the rate of doing work is less in rolling | |
work done in rolling a stone is less than in lifting it |
Question 74 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Light year is a unit of
time | |
distance | |
light | |
intensity of light |
Question 75 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Radio telescopes are better than optical telescopes because
they can detect faint galaxies which no optical telescope can | |
they can work even in cloudy conditions | |
they can work during the day and night | |
All of the above |
There are 75 questions to complete.