Free gk questions Online Test - MeritNotes

Home
Online Exam

No. of Questions :10

Remaining Time :

1. When an energetic electron or positron present in cosmic rays collides with the nuclei of atoms in the earth’s atmosphere it loses energy in the form of

(a) high energy neutrino
(b) high energy neutron
(c) high energy proton
(d) high energy photon

2. In Bainbridge mass spectrometer, the larger the radius of curvature of track

(a) smaller the mass of isotopes
(b) larger the mass of isotopes
(c) mass of isotopes tends to zero
(d) cannot comment

3. Geiger-Muller counter is used to measure the ______ of the radioactive radiation.

(a) thermal capacity
(b) wavelength
(c) intensity
(d) frequency

4. 1 amu is equal to

(a) 1.66 × 10^-27 kg
(b) 0.166 × 10^-27 kg
(c) 1.77 × 10^-27 kg
(d) 1.76 × 10^-27 kg

5. The fuel to be used in prototype fast breedor reactor being built at Kalpakkam is mixture of

(a) oxides of plutonium and thorium
(b) carbides of uranium and plutonium
(c) enriched uranium and thorium
(d) oxides of plutonium and uranium

6. In electromagnetic interactions the exchange particle is

(a) positrons
(b) neutrons
(c) protons
(d) photons

7. The principle used in hydrogen bomb is

(a) ionisation
(b) chain reaction
(c) nuclear fusion
(d) nuclear fission

8. The cathode and anode terminals of GM tube are made up of _____ and _____ respectively.

(a) tungsten, aluminium
(b) glass, tungsten
(c) copper, iron
(d) copper, zinc

9. A good coolant possess

(a) large specific heat capacity and low boiling point
(b) low specific heat capacity and high boiling point
(c) large specific heat capacity and high boiling point
(d) low specific heat capacity and low boiling point

10. Energy of an electron when it is accelerated through a potential difference of 1 volt is

(a) one becquerel
(b) one electron volt
(c) one curie
(d) one roentgen

Home

Terms & Conditions

Contact