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Explain interference of light? Write two essential conditions for sustained interference pattern to be produced on the screen.
Illustrate a graph showing the variation of intensity versus the position on the screen in Young's experiment when (a) both the slits are opened and (b) one of the slits is closed.
What is the effect on the interference pattern in Young's double slit experiment when:
(i) Screen is moved closer to the plane of slits?
(ii) Separation among two slits is enhanced. Explain your answer in each case.
A data transmission rate; the maximum amount of information (bits/second) that can be transmitted along a channel is called band width.
Can you explain acceleration due to gravity?
How many sizes are there of lighting fiber optic? Literally hundreds, by some microns to over an inch into diameter, multicore and solid core, and square shaped ribbons, sheet
An athlete run a certain distance before taking a long jump. Why?
The Stoplight- 1-Dimensional Kinematics A blue car moving at a constant speed of 10 m/s passes a red car which is at rest. This occurs at a stoplight the moment in which the li
Write any four characteristics of electromagnetic waves. Give two uses each of 1. Radio-waves 2. Micro-waves.
A triode valve which is acting as an amplifier gives a voltage gain of 30. If anode resistance is 20 K ? for valve and load resistance is 60 K ?, what is value of amplification fac
Uncertainty principle (W. Heisenberg; 1927): A principle, central to quantum mechanics, that states two complementary parameters (such as position & momentum, energy & time, o
1. Krusty the Clown and Sideshow Bob have covered themselves in velcro, and shot themselves out of a large cannon so that they stick to a huge rotating velcro wheel (don't try this
Indicate all that is incorrect about the statement The magnetic field lines of a stationary bar magnet move from the north pole of the bar magnet to the south pole of the bar magne
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