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Cathode rays are : (1)Protons (2)Electrons (3)Neutrons (4)alfa -particles Ans; (2)Electrons
Can you differentiate between half wave plate and full wave plate?
If two lines of dissimilar metals are connected at their ends so as to form two junctions, then the resulting arrangement is known as a "Thermo couple".
The mass of a string is 4.20 x 10 -3 kg, and it is stretched so the tension in it is 135 N. A transverse wave traveling on this string has a frequency of 260 Hz and a wavelength o
The loudness of sound depends on: Amplitude of vibration. Area of vibrating body. Distance from the sounding body. Density of the medium.
This problem examines the seasonal solar radiation budget at three geographical locations: the Equator, 40º North, and 80º North. NOTES: At a given geographical location, N
A pair of speakers separated by 0.700 m are driven by the same oscillator at a frequency of 688 Hz. An observer, originally positioned at one of the speakers, begins to walk along
The liquids which permits the current to pass by them and also dissociates into ions on passing current by them are named electrolytes e.g. resolution of salts, bases and acids in
Cart and The Brick Collisions among objects are governed through laws of momentum and energy. While a collision occurs in an isolated system, a total momentum of the system of
Displacement: - The modification in position of a body in a certain direction is known as displacement. It is a vector function and its unit in SI system is meter.
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