- APotential energy at that point.
- BElectric field at that point.
- CElectric potential at that point.
- DNone.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Assertion : Blue colour of sky appears due to scattering of blue colour.
Reason : Blue colour has shortest wave length in visible spectrum.
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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
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(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
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(c) If assertion is true but reason is false. |
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(d) If the assertion and reason both are false. |
Focal length of a convex lens will be maximum for
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(a) Blue light |
(b) Yellow light |
(c) Green light |
(d) Red light |
Which of the following statement is true about magnetic moments of atoms of different elements
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(a) All have a magnetic moment |
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(b) None has a magnetic moment |
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(c) All acquire a magnetic moment under external magnetic field and in same direction as the field |
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(d) None of the above statements are accurate |
The working of dynamo is based on principle of
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(a) Electromagnetic induction |
(b) Conversion of energy into electricity |
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(c) Magnetic effects of current |
(d) Heating effects of current |