The light used in optical fiber transmission is:
A. Dichromatic
B. Monochromatic
C. Pentachromatic
D. None of these
The back emf of a motor which is just started is:
A. Zero
B. Maximum
C. Minimum
D. Optimum
If the momentum of an object is increased twice, then what will be the kinetic energy:
A. Twice
B. Thrice
C. Four times
D. Sixteen times
Field particle of Electromagnetic interaction is:
A. Photon
B. Meson
C. Vector Boson
D. Graviton
Frequency is the inverse of:
A. Velocity
B. Stress
C. Time Period
D. Gravity
Newton’s first law of motion gives the concept of:
A. Energy
B. Work
C. Inertia
D. Momentum
The unit of power is:
A. watt
B. Joule
C. Newton
D. Pascal
Force 100N is applied on a wire produces extension 5mm in it. Energy stored in it is:
A. 0.125 J
B. 0.250 J
C. 0.50 J
D. 1 J
A ____has no size or shape, just position:
A. line
B. bottom
C. point
D. vertex
Neutron was discovered by:
A. Chadwick
B. Rutherford
C. Neil Bohr
D. Einstein
