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.Management Sciences
Category: Physics Mcqs
The radiations emitted form hydrogen filled discharge tube show____________?
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A. band spectrum
B. line spectrum
C. continuous spectrum
D. absorption spectrum
Which one of the following radiation possesses maximum penetrating power ?
A. X-rays
B. B-rays
C. γ-rays
D. All have the equal penetrating powe
A diffraction grating has 500 lines per mm. Its slit spacing or grating element will be equal to ____________________?
A. 500 mm
B. 5 x 10-3 mm
C. 2 x 10-5 mm
D. 2 x 10-3 mm
The speed of stationary waves in a stretched string are independent of___________________?
A. Number of loops
B. Tension in the string
C. Point where string is plucked
D. both A and C
The unit vector in the direction of vector A = 2 i^ -2j^ + k^ is_______________?
A. 2i^ – 2j^ + k^
B. (2i^ – 2j^ +k^)/9
C. (2i^ – 2j^ +k^)/3
D. (2i^ – 2j^ +k^)/5
Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________?
A. isothermal law
B. adiabatic law
C. isochoric law
D. all of the above
Average energy required to remove one nucleon from the nucleus is called__________________?
A. Binding energy per nucleon
B. Energy of decay
C. Destruction energy
D. All of above
A central force is that which__________________?
A. Can produce torque
B. Cannot produce torque
C. Some time can produce torque some time cannot
D. Has no relation with torque
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