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A rectangular loop carrying a current is situated near a long straight wire such that the wire is parallel to one of the sides of the loop and is in the plane of the loop. If a steady current is created in wire as shown in figure below, the loop will
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Important Questions on Solved Physics Paper-1
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12th Meghalaya Board
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When the same monochromatic ray of light travels through glass slab and through water, the number of waves in glass slab of thickness is same as in water column of height . If refractive index of glass is then refractive index of water is
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12th Meghalaya Board
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If the fringe width obtained in Young's double-slit experiment is , then on immersing the whole set up in the water with refractive index , new fringe width will be
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12th Meghalaya Board
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The resistance of a bulb filament is at a temperature of . If its temperature coefficient of resistance be , its resistance will become at a temperature of
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12th Meghalaya Board
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Answer the following question.
'A system displaying a hysteresis loop such as a ferromagnet, is a device for storing memory?' Explain the meaning of this statement.
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12th Meghalaya Board
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Name the components of electromagnetic spectrum in decreasing order of wavelength.
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12th Meghalaya Board
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The work function for a certain metal is . Will this metal give photoelectric emission for incident radiation of wavelength ? ,
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12th Meghalaya Board
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What is approximate diameter of hydrogen atom?
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12th Meghalaya Board
IMPORTANT
A load is connected to the secondary of a transformer whose primary draws line voltage. If a current of flows in the load, what is the current in the primary coil? Comment on the type of transformer being used.
