One radian is equal to______________?
One radian is equal to______________?
A. 67.3°
B. 57.3°
C. 87.3°
D. 60°
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B. 1/??3 i^ + 1/??3 j^ +1/ ??3 k^
C. ??3 / 3 i^ + ??3 / 3 j^ + ??3 / 3 k^
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Rutherford in his atomic model could not explain behavior of ___________ ?A. Electrons
B. Protons
C. Neutrons
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Which one of the following radiation possesses maximum penetrating power ?A. X-rays
B. B-rays
C. γ-rays
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Resistance of a wire on increasing its temperature will_________________?A. increase with rise in temperature
B. decrease with rise in temperature
C. will remain same
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The speed of sound in hydrogen is _____________ time than that in oxygen?A. Two times
B. Three times
C. Four time
D. Six timeSpecific resistance of a wire____________________?
Specific resistance of a wire____________________?A. will depend on its length
B. will depend on its radius
C. will depend on the type of material of the wire
D. will depend on none of the above