General Knowledge Quiz 457

General Knowledge

The waves relevant to telecommunications are
(a) Microwave
(b) Ultraviolet
(c) Infrared
(d) Visible light

Answer:

Measons are found in
(a) Gamma rays
(b) Cosmic rays
(c) X-rays
(d) Laser beam

Answer:

The cathode ray particles originate in a discharge tube from the
(a) Source of high voltage
(b) Residual gas
(c) Anode
(d) Cathode

Answer:

The cause of fractional atomic weights of elements is the presence of
(a) Isotones
(b) Isobars
(c) Isotopes
(d) None

Answer:

Which one of the following is not a radioactive element?
(a) Radium
(b) Cadmium
(c) Uranium
(d) Thorium

Answer:

Which of the particles has similar mass to that of the electron?
(a) Neutrino
(b) Neutron
(c) Proton
(d) Positron

Answer:

Nuclear forces are mediated by
(a) Meson
(b) Electron
(c) Proton
(d) Neutron

Answer:

The north pole of the earth's magnet is near the geographical
(a) East
(b) West
(c) North
(d) South

Answer:

The split ring in motion is called
(a) Core
(b) Commutator
(c) Armature
(d) Rotor

Answer:

Optical fibres are mainly used for which of the following?
(a) Communication
(b) Weaving
(c) Musical instruments
(d) Food industry

Answer: