Question
The speed of a fast moving electron, having total energy of 2 MeV, is nearly:
More Physics GS Questions
- The energy that can harness heat stored below the earth's surface is known as –
- Which of the following rays are not deflected by a magnetic field?
- What is the main effect of increasing the temperature of a gas at constant volume?
- A particle is projected such that its velocity vector sweeps equal angles with horizontal at equal time intervals. The motion is best described as:
- When a capacitor is fully charged in a DC circuit, the current through it is:
- Which mirror always forms virtual, erect, and diminished image?
- Calculate the speed of light in diamond if its refractive index is 2.4. (Speed of light = 3 × 10⁸ m/s)
- A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:
- Find the equivalent resistance when three resistors of 4 Ω, 6 Ω, and 12 Ω are connected in parallel.
- Tungsten is used for the manufacture of the filament of an electric bulb, because –
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