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A trick with surface tension
Get a used tin can and make five holes in it with a nail. The holes should be very close to the bottom of the can and about five millimetres apart.
Q. What would occur if a disk one light second in circumference were to spin at 60 RPM? Answer:- 60 revolutions for each minute is one revolution per second. 1 light se
What is inertia?
An atom has 26 electrons and its atomic weight is 56. The number of neutrons in the nucleus of the atom will be : (1) 26 (2) 30 (3) 36 (
Q. Explain about Centrifugal force? The centrifugal force is F c =mv 2 /r, Where r is the radius of the orbit and m is the mass of the object and v is the velocity. The
Sodium iodide crystal (NaI) It scintillate with good efficiency when gamma ray is absorbed, these crystals where attached directly to the PTM to detect a weak flashes of light
Write down the Maxwell's electromagnetic wave equations both in differential form.
Which one of the following pairs is not correctly matched: (1) Rutherford-Proton (2) J.J. Thomsom-Electron (3) J.H. Chadwick-Neutron (4) Bohr-Isotope Ans:(4)Bohr-Is
Illustrate the principle of carbon dioxide laser in short. Principle of carbon dioxide (CO 2 ) Laser: To get Laser transition between two levels this is necessary to acquire
Self inductance: When current through a coil changes, the changing flux induces an emf that opposes the current flow. This emf is the result of self inductance and is called '
A small bulb is placed at the bottom of a tank containing water to a depth of 80 cm. What is the area of the surface of water through which light from the bulb can emerge out? Refr
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