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General Science
➤ Physics ➤ 1
Question 41
Q41.
Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation?
Diffraction
Scattering
Interference
Polarization
Question 42
Q42.
Isotopes of an element contain
equal number of nucleons
the same number of neutrons but different number of protons
equal number of protons and electrons
the same number of protons but different number of neutrons
Question 43
Q43.
One watt-hour is equivalent to
6.3 x 10
3
J
6.3 x 10
-7
J
3.6 x 10
3
J
3.6 x 10
-3
J
Question 44
Q44.
Mach number is used in connection with the speed of
sound
aircraft
spacecraft
ships
Question 45
Q45.
On a stationary sail boat, air is blown from a fan attached to the boat. The boat
moves in opposite direction in which the air is blown
does not move
moves in the same direction in which air blows
spins around
1
...
7
8
9
10
11
...
20
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