Physics Mcqs for Test Preparation from Basic to Advance - .com
Practice and review Physics Mcqs for Test Preparation from Basic to Advance - .com with verified questions, correct answer keys, and detailed solutions.
Model Practice Questions & Solutions
18 questions with verified answers and explanations
A potential difference is applied across the ends of a wire. If the potential difference is doubled, then the drift velocity of free electron will.
be doubled
Relation between linear velocity and angular velocity:
v=rw
If the axis of rotation passes through the body and the body moves around itself then the motion is called:
Spin motion
Which instrument is used to detect path of visible rays?
Wilson Cloud Detector
Earth's orbital speed is __________?
30 km/s
The antiparticle of electron is: ______?
Positron
A photon is always considered to be: ________?
Moving with speed of light
A black body emitting all the radiation in the visible region appears________.
White
Compton's effects was presented by: ________?
Arthur Holly Compton
Due to the relative motion of observer and frame of reference time:
Dilates
The mass of an object will get doubled at the speed of __________?
2.6×10⁶ m/s
Mass-Energy relation given by Einstein in represented as: ____________?
E=mc²
A black body has the property to _____________ all the radiation entering it.
Absorb
Modern system of navigation satellites called ___________?
Navstar
As a result of annihilation of electron and positron, number of γ - ray (Gama ray) photons are: ________?
Two
A.C. and D.C. have the same __________?
Heating effect through a resistance
1 Weber / m² is equal to __________?
10⁴ gauss
A low resistance which can bypass a current is: _____________?
Shunt
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