Laser in Physics Questions and Answers PDF Download eBook
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Trivia Quiz on Laser in Physics PDF Download eBook
MCQ: For an electron to be confined to a nucleus, its speed relative to the speed of light would have to be
- equal
- less
- greater
- equal to infinity
C
MCQ: In e/m experiment, path of electron is made visible by filling
- H2 at high pressure
- N2 at high pressure
- H2 at low pressure
- O2 at low pressure
C
MCQ: If the charged particle of 2e falls at the potential difference of 6 V, then the energy required to fall will be
- 19 J
- 19.2 J
- 19 × 10-19 J
- 19.2 × 10-19 J
D
MCQ: Device known as low-resistance galvanometer is
- ammeter
- ohmmeter
- voltmeter
- odometer
A
MCQ: Hydroelectric energy's original source is
- sun
- moon
- stars
- fluid
A