Q1241
Open questionWhere do the electrical charges reside in a charged conductor?
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Q1242
Open questionThe strength of an electromagnet can be increased by
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Q1243
Open questionThe unit of Planck's constant is
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Q1244
Open questionWhen a vehicle passes, TV reception gets distorted. This is because
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Q1245
Open questionThe unit of magnetic permeability is
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Q1246
Open questionAn Electric generator is based on which of the following scientific principles?
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Q1247
Open questionPlanck's constant has the dimensions of :
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Q1248
Open questionWhat is the unit of Magnetic Induction?
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Q1249
Open questionIn which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ?
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Q1250
Open questionOzone layer above the surface of Earth provides a shield against
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Q1251
Open questionCoolis tube is used to produce
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Q1252
Open questionWho among the following discovered X-rays?
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Q1253
Open questionOzone layer in the outer atmosphere helps us in
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Q1254
Open questionThe waves used in sonography are
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Q1255
Open questionIn the remote control of television, electromagnetic waves used are
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Q1256
Open questionWhich one of the following is not a property of electromagnetic waves?
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Q1257
Open questionWhich one of the waves have the longest wavelength
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Q1258
Open questionRemote-sensing device has an inbuilt source of
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Q1259
Open questionIndicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength.
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Q1260
Open questionWhich of the following has the shortest wavelength?
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