Physics
Which of the following is a scalar quantity related to motion?
Speed
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Total Questions: 316
Physics
Which instrument is used to measure high temperature in industries?
Pyrometer
Physics
Which quantity is measured in meters per second?
Speed
Units & Measurements
The dimensional formula [ML⁻¹T⁻²] represents which physical quantity?
Elastic modulus
Units & Measurements
Which pair has the same dimensional formula?
Work and energy
Modern Physics
If the neutron-to-proton (n/p) ratio in a nucleus equals 1, the nucleus is said to be:
Stable
Modern Physics
What is the antiparticle of an electron called?
Positron
Modern Physics
What is the approximate order of nuclear radius?
10⁻¹² cm
Heat
How does the Earth's atmosphere get heated?
Convection
Heat
Which method of heat transfer does NOT require any medium?
Radiation