Magnifying power of simple microscope______________?
A. increase with increase in focal length
B. increase with decrease in focal length
C. no effect with decrease or increase with focal length
D. list distance of distinct vision
A. increase with increase in focal length
B. increase with decrease in focal length
C. no effect with decrease or increase with focal length
D. list distance of distinct vision
A. Rough
B. Square
C. Circular
D. Spherical
A. The light emitting diodes
B. Photo diodes
C. Photo voltaic cell
D. Solar cells.
A. repel each other
B. attract each other
C. have no effect upon each other
D. they cancel out their individual magnetic fields
A. using a transistor
B. suppressing the harmonics in A.C voltage
C. suppressing half wave of A.C supply by using diode
D. using a Coolidge tube
A. change in its K.E always
B. change in its P.E always
C. change in its K.E and change in its P.E
D. neither change in K.E and nor change in its P.E
A. Semi-conductor becomes conductors
B. Ferromagnetic becomes paramagnetic
C. Paramagnetic becomes diamagnetic
D. Metals become super conductor