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Detection (Receiver): The antenna receiver these modulated waves from different transmitting stations.
Channel selector selects the desired signals. The selected signals are amplified and converted into light pulse in such a way as to reconstruct the image of the original object on the screen. At the same time, sound waves are extracted. The T.V. Set known as kinenoscope converts the electrical signals into light signals.
Huygens wave theory: Huygen's wave theory is not correct in all respects. 2. It assumes simply that light energy is propagated as a wave. 3. At the time of his proposition
is always del U o in cyclic process
An experiment with force and motion Tie a spring clothes peg open by placing one winding of thread about the long ends. Place the clothes peg in the centre of a long table and
A 240-turn solenoid having a length of 21 cm and a diameter of 8.8 cm carries a current of 0.44A. Calculate the magnitude of the magnetic field inside the solenoid.
estimation of nuclear fusion on basis of liquid drop model
lumeniferous aether: A substance, that filled all the empty spaces among matter, which was utilized to describe what medium light was "waving" in. it now has been discredited,
(i) A number system which has only two characters i.e. 0 (Low value) and 1 (High value) is known as binary system (ii) The electrical circuit which operates only in these two di
A thin convex lens of focal length 0.1m and a thin concave lens of focal length 0.1m are placed co-axially in contact. What is the total power of the combination?
In a non-uniform magnetic material, these substances move from stronger parts of the field to the weaker parts.why?
A HEAVY STORM LEAVES 1CM OF RAIN ON 2HOUR PERIOD. HOW MANY CENTIMETRE CUBIC OF WATER FELL ON THE CITY
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