A. Semi-conductor becomes conductors
B. Ferromagnetic becomes paramagnetic
C. Paramagnetic becomes diamagnetic
D. Metals become super conductor
Related Mcqs:
- The unit of radioactivity curie is equal to_________________?
A. 3.74 x 109 disintegration per sec
B. 3.70 x 1010 disintegration per sec
C. 3.55 x 1010 disintegration per sec
D. 3.60 x 1010 disintegration per sec - The unit of radioactivity curie is equal to________________?
A. 3.74 x 109 disintegration per sec
B. 3.70 x 1010 disintegration per sec
C. 3.55 x 1010 disintegration per sec
D. 3.60 x 1010 disintegration per sec - Coercive force is the force which opposes ____________________?
A. Demagnetization
B. Breakage
C. Extension
D. Surface cracking - A man is in a car is moving with velocity of 36km/hr. His speed with repect to the car is ____________________?
A. 10m/s
B. 36m/s
C. zero
D. infinite - When collision between the bodies in a system is inelastic in nature then for system ____________________?
A. momentum changes but K.E remain conserve
B. K.E changes but momentum remain conserve
C. both momentum and K.E changes
D. both momentum and K.E remain conserve - Velocity of sound in vacuum is ____________________?
A. 332 ms-1
B. 320 ms-1
C. Zero
D. 224 ms-1 - 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 - On a clear day at noon the solar energy reaching the earth is ____________________?
A. 1.44kw/m2
B. 1.4kw/m2
C. 1 kw/m2
D. none - The standard vector symbol for flux density is ____________________?
A. M
B. L
C. H
D. B - Heating a magnet will ____________________?
A. weaken it
B. strengthen it
C. reverse its polarity
D. demagnetize it completely
