In forward bias the width of potential barrier_____________?
In forward bias the width of potential barrier_____________?
A. Increases
B. Decreases
C. Remains same
D. No effect
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90° equals 1.57 radians.
Question: 90° equals 1.57 radians.
[A].True [B].
False Answer: Option A
Explanation:
No answer description available for this question.
Which one of the following is massless?
Which one of the following is massless?A. Proton
B. Electron
C. Neutron
D. Photon
the photon is a massless particle. According to theory it has energy and momentum but no mass, and this is confirmed by experiment to within strict limits. Even before it was known that light is composed of photons, it was known that light carries momentum and will exert pressure on a surface. This is not evidence that it has mass since momentum can exist without mass.The scales of temperature are based on two fixed points which are_________________?
The scales of temperature are based on two fixed points which are_________________?A. The temperatures of water at 0? 100?C
B. The temperature of melting ice and boiling water at atmospheric pressure
C. The temperatures of ice cold and boiling water
D. The temperatures of frozen and boiling mercuryThe energy radiated is directly proportional to the fourth power of Kelvins temperature is________________?
The energy radiated is directly proportional to the fourth power of Kelvins temperature is________________?A. Karl-Weins law
B. Rayleigh-Jeans law
C. Stephens law
D. PlancksWhich of the following are not deflected by electric and magnetic fields ?
Which of the following are not deflected by electric and magnetic fields ?A. Alpha rays
B. Beta rays
C. Gamma rays
D. None of theseElectrical resonance is observed in_______________?
Electrical resonance is observed in_______________?A. Radio
B. Microwave oven
C. Both in radio and microwave oven
D. Neither in radio nor in a microwave oven