Physics
General
Easy
Question
A concave mirror of focal length produces an images n times the size of the object. If the image is real then What is the distance of the object from the mirror?
The correct answer is:
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Which of the following graphs is the magnifications of a real image against the distance from the focus of a concave mirror?
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The dimensions of a conductor of specific resistance 
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For the electrical circuit shown in the figure, the potential difference across the resistor of 400
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A convex lens of focal length f produces a real image x times the size of an object, Then what is the, distance of the object fromthe lens?
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Which the substances A,B or 
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The graph shows the variation of temperature (T) of one kilogram of a material with the heat (H) supplied to it, At O, the substance is in the solid state. From the graph, we can conclude that...
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The graph AB shown in figure is a plot of temperature of body in degree Celsius and degree Fahrenheit, Then.
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A convex kens of focal length f is placed somewhere in between an object and a screen. The distance between the object and the screen is x. If the numerical value of the magnification product by the lens is m , What is the focal length of the lens?
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A concave lens of focal length f forms an image which is times the size of the object What is the distance of the object from the lents?
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ΔH for the reaction, 
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ΔH for the reaction, will be -
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One microammeter has a resistance of 100Ω and a full scale range of 50
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One microammeter has a resistance of 100Ω and a full scale range of 50 It can be used as a woltmeter or as a higher range ammeter provided a resistance is added to it Pick the correct range and resistance combinations (s)
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If ΔG°>0forareactionthen-
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chemistry-General
