10th Class Physics MCQS
Which among the following radiation has more penetrating power?
A gamma particle
None of these
A beta pareticle
An alpha particle
Total energy supplied in driving one coulomb of charge around a complete circuit is called:
Potential energy
Potential difference
Electromotive force
Potential
The half life of carbon is
5720 years
5730 years
572 years
5700 years
The process of breaking a heavy nucleus after the bombardment of neutrons into two small nuclei is called:
Nuclear Radiation
Nuclear fission reaction
Nuclear chain reaction
Nuclear fusion reaction
Isotopes are atoms of same element with different :
Number of proton
Number of Neutron
Atomic mass
Atomic Number
Human skin, in dry conditions, has a resistance of:
100,000 ohm
30,000 ohm
2000 ohm
20,000 ohm
Release of energy by the sun is due to
Chemical reaction
Burning of gases
Nuclear fission
Nuclear fusion
The phenomenon in which radiations convert the matter into positive and negative ions is called:
Radio activity
Ionization
Excitation
Electrolysis
The property of substance, which opposes the flow of current through it is called:
Resistivity
Resistance
Reactance
None
By keeping resistance constant if we double the voltage then current will be:
Double
Half
4 times
1/4 times
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