- AZero
- B1
- CInfinite
- DNegative
Explanation:
The electrostatic potential on the perpendicular bisector due to an electric dipole is zero.
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By corpuscular theory of light, the phenomenon which can be explained is
|
(a) Refraction |
(b) Interference |
(c) Diffraction |
(d) Polarisation |
Assertion : The whole charge of a conductor cannot be transferred to another isolated conductor.
Reason : The total transfer of charge from one to another is not possible.
|
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
|
(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
|
(c) If assertion is true but reason is false. |
|
(d) If the assertion and reason both are false. |
$\text{W}_2=\text{W}_1$
$\text{W}_2=\text{W}_1+\omega$
$\text{W}_2<\text{W}_1+\omega$
$\text{W}_2>\text{W}_1$
Two sources give interference pattern which is observed on a screen, D distance apart from the sources. The fringe width is 2w. If the distance D is now doubled, the fringe width will
|
(a) Become w/2 |
(b) Remain the same |
(c) Become w |
(d) Become 4w |
If a proton and anti-proton come close to each other and annihilate, how much energy will be released
|
(a) 1.5 |
(b) 3 |
(c) 4.5 |
(d) None of these |