Positive rays

The term --------------- is used to describe the radiation emitted by a

charged particle that is accelerated in the Columbic field of force of the nucleus.

X-rays are electromagnetic waves of ----------- wavelength.

In positive uniaxial crystal o-ray travels faster than e-ray.

• True

• False

The energy of the proton accelerated by proton synchrotron is of the order of

• Million eV

• Billion eV

• Kilo eV

• Trillion eV

Which of the phenomena suggests that light may be a transverse wave?

• Interference

• Diffraction

• Reflection

• Polarization

A half wave plate produces a phase difference..... between O - rays and E-rays

• π/2

• π/3

• π

• π/-2

Canada Balsam acts as ...... medium for o-ray

• Rarer

• Denser

How many protons does an O₂ atom have?

• 8
• 24
• 16
• When is lunch? 

In maintaining the chain reaction the ratio between escape rate and production rate is directly proportional to

• r^2

• r^-2

• r^-3

• 1/r

Who's model does this picture represent?

• Dalton: 1803-1808

• Thomson 1897

• Rutherford 1911

• Bohr 1913