Physics
Two identical solid copper spheres of radius R are placed in contact with each other. The, gravitational force between them is proportional to
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A light ray is incident perpendicular to one face of 90° prism and is totally internally reflected at the glassair interface. If the angle of reflection is 45° We conclude that the refractive index.....
A light ray is incident perpendicular to one face of 90° prism and is totally internally reflected at the glassair interface. If the angle of reflection is 45° We conclude that the refractive index.....
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A ray falls on a prism ABC(AB=BC) and travels as shown in the figure. The minimum refractive, index of the prism material should be.
A ray falls on a prism ABC(AB=BC) and travels as shown in the figure. The minimum refractive, index of the prism material should be.
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Two parallel light rays are incident at one surface of a prism of refractive index 1.5 as shown in figure. What is the angle between the rays as they emerge ?
Two parallel light rays are incident at one surface of a prism of refractive index 1.5 as shown in figure. What is the angle between the rays as they emerge ?
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is decreasing in
is decreasing in
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The interval of increase of the function is
The interval of increase of the function is
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A tank contains two different liquids which do not mix with each other as shown in figure. The lower and upper liquids are at depths and respectively. An object O is located at the bottom. When seen vertically from above, locate the position of image of O.
A tank contains two different liquids which do not mix with each other as shown in figure. The lower and upper liquids are at depths and respectively. An object O is located at the bottom. When seen vertically from above, locate the position of image of O.
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In experiment of the potentiometer wire of length 100 cm has a resistance of 10, It is connected in series with a resistance R and a cell of emf 2 volts and of negligible internal resistance. A Source of emf 10mV is balanced against a length of 40 cm of the potentiometer wire. What is the value of the external resistance?
In experiment of the potentiometer wire of length 100 cm has a resistance of 10, It is connected in series with a resistance R and a cell of emf 2 volts and of negligible internal resistance. A Source of emf 10mV is balanced against a length of 40 cm of the potentiometer wire. What is the value of the external resistance?
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The function is
The function is
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If the function is decreasing in its domain then
If the function is decreasing in its domain then
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The function is
The function is
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If then the maximum value of is
If then the maximum value of is
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The minimum value of the function where is
The minimum value of the function where is
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The current gain of a transistor is 100 . If the base current changes by 200 , What is the change in collector current?
The current gain of a transistor is 100 . If the base current changes by 200 , What is the change in collector current?
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physics
In the experiment of potentiometer wire is 100 cm long shown in figure When AC=40 cm, no deflection occurs in the galvanometer. What is the value of R ?
In the experiment of potentiometer wire is 100 cm long shown in figure When AC=40 cm, no deflection occurs in the galvanometer. What is the value of R ?
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Consider the potentiometer circuit shown. The potentiometer wire is 600 cm long and having restance 15r At what distance from the point A should the jockey touch the wire to get zero deflection in the galvanometer?
Consider the potentiometer circuit shown. The potentiometer wire is 600 cm long and having restance 15r At what distance from the point A should the jockey touch the wire to get zero deflection in the galvanometer?
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