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Demonstrating how the angle of the sun's rays changes from day to day at the same hour
Cut a 1-cm round hole in a piece of paper or cardboard. Place this in a south window of your classroom where the sun's rays will shine by the hole and strike a piece of white paper on the floor, the table or window sill. Draw the outline of the spot where the beam of light strikes the paper. Write the date and hour inside the outline. Repeat this on succeeding days at exactly the similar hour
A bicycle has tires of radius 0.35 meters. If the bicycle is traveling at a constant speed of 7.8 m/s, at approximately what angular speed are the tires rotating?
Verify the principle of working of a cyclotron. Write two uses of this machine. Draw a labelled ray diagram of a reflecting type telescope. Write it's any one benefit over refra
(i) These are positive ions having similar mass if the experimental gas does not have isotopes. However if the gas has substances then positive pulses are group of positive ions ha
Frequency:- The number of vibration done per second by an oscillation body is known its frequency. It is denoted by V. The S.I unit is Hz.
Inertial Frame of Reference : If in a given system a free object does not experience any acceleration or force, the system is called the inertial frame. Any reference frame that mo
(a) Equation (3) may be viewed as a formalism of synaptic plasticity - the synapse is able to change in strength in response to either use or disuse of it. We can observe the s
With mans lust for the unknown in space exploration, what will happen to our planet by removing so much weight in the form of spacecraft that will never return and can the earth re
Violet light (λ = 415 nm) falls on a slit that is 0.040 mm wide. The distance among the centers of the central bright band and the third-order dark band is 18.7 cm. What is
The retina – the light detector of the eye: The physical aspects of the retina: 1.The absorption of a light photons in a photoreceptor triggers an electrical signal to the bra
Disadvantage of low Power Factor We know that P = V I cos φ, for particular amount of power at constant voltage, Power (P) and voltage (V) in the above expression of
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