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Proton was discovered by:
(1)Chadwick
(2)Thomson
(3)Goldstein
(4)Bohr
Ans: (3)Goldstein
How do I find the momentum, velocities and energy of both vehicles as they leave the impact point, the energy transferred during the collision and the momentum and energy of the ve
a pendulum is timed ,first for 20 swings and then for 50 swings ; time for 20 swings = 17.4 sec and time for 50 sec = 43.2. calculate the average time per swing/
how does a magnifying glass work to produce a large or smaller image?
Number of neutron in C 12 is (1)6 (2)7 (3)8 (4)9 Ans: (1)6
What is Eclipses? Sun is a luminous body while earth and moon are non-luminous bodies. Only those parts of moon on the light of sun falls is visible. Also sun is larger than, b
Q. If the moons orbit is inclined somewhat relative to the Earth's orbit what effect does this have on eclipses? Answer:- This makes eclipses rarer as well as if the moon's
the principle
The SI unit of pressure is the: a) Torr b) Dyne per centimeter squared c) Atmosphere d) Pascal Ans: The SI unit of pressure is the Pascal.
Coanda effect The effect which indicates that a fluid tends to flow along a surface, instead of flow through free space.
What do you mean by Normal shift? How can you calculate total internal reflection? Mention an application of total internal reflection.
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