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Question:
Portray is a principal ray for the case of a concave lens. Where does it depart from here?
Ans:
In the situation of a diverging lens there is a ray that approaches the plane of the lens along a line that is parallel to the principal axis of the lens. On the plane of the lens that ray jumps onto a path which if traced back through the lens can be seen to be on a line that passes through the focal point on the same side of the lens as the object.
at a particular instant the speedometer of a vehicle shows 30km/hr .it is the a}average speed b}instantaneous speed c}uniform speed d}non-uniform speed
A test tube holder An appropriate test tube holder can be made by bending strong spring wire made of iron or brass into the shape shown in the diagram. Wire from a coat hanger
Piles of snow on slippery roofs can become dangerous projectiles as they melt. Consider a chunk of snow at the ridge of a roof with a pitch of 27. As the snow begins to melt, the c
100 =6=4=9=7=9
according to the first law of thermodynamics , obtain the relationship between specific hears of gases
In a very large closed tank the absolute pressure of teh air above the water is 6.01x 10^5 pa. The water leaves the bottom of the tank through a nozzle that is directed straight up
Q Define: Drift velocity. Drift velocity is described as the velocity with which free electrons get drifted towards the positive terminal, when an electric field is applied.
In the case of orientation polarization we have material with built _in dipoles that are independent of each other, i.e. they can rotate liberally in sharp distinction with ionic p
explain?
Assume the condition for balance in a Wheatstone Bridge Using the principle of Wheatstone bridge, describe the method to determine the specific resistance of a wire in the laborato
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