A. Astigmatism
B. Short sightedness
C. Cataract
D. Long sightedness

A. 25,000 km/hr
B. 40,000 km/hr
C. 5,0(X) km/hr
D. 8,000 km/hr

A. inferior quality of blotting paper
B. inferior quality of the ink
C. capillary action
D. water element in the ink

A. Bohr and Rutherford
B. J.J. Thomson
C. Evangelista Torricelli
D. Robert Whitehead

A. any reaction
B. fission
C. fusion
D. either fission or fusion

A. Heat energy
B. Kinetic energy
C. Potential energy
D. None of above

A. same as that of sound
B. same as that of elastic waves
C. same as that of light 
D. more than light

A. gamma rays
B. beta particles
C. alpha particles
D. neutrons

A. of adhesion
B. of the gravitational force
C. of the pressure from all sides
D. the liquid tends to have minimum surface area due to surface tension

A. Highly penetrating X-rays
B. A beam of fast moving neutron rays
C. A beam of monochromatic coherent light
D. A beam of monochromatic incoherent light