Physics
General
Easy
Question
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?
The correct answer is:
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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.
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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physicsGeneral
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ΔH for the reaction, 
will be -
ΔH for the reaction, will be -
chemistry-General
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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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Statement-I : Benzoic acid on nitration will give m– Nitro benzoic acid
Statement-II : –COOH group will increase e— density on meta position
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Statement-II : –COOH group will increase e— density on meta position
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Which of the following reagents are involved in the following transformation?
Which of the following reagents are involved in the following transformation?
chemistry-General
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chemistry-General
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Which of the following is used to perform following transformation :
Which of the following is used to perform following transformation :
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Which of the following compounds react with aniline to give acetanilide : Which of the following compounds react with aniline to give acetanilide
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chemistry-General
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Consider the following reaction
Consider the following reaction
chemistry-General
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In this reaction the product (E) is :
In this reaction the product (E) is :
chemistry-General
