
- Amplitude.
- Frequency.
- Phase.
- Maximum velocity.

Explanation:
Because the direction of motion of particles A and B is just opposite to each other.
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The mass of a neutron is the same as that of
|
(a) A proton |
(b) A meson |
(c) An epsilon |
(d) An electron |
What is the equivalent resistance of the circuit

|
(a) 6 Ω |
(b) 7 Ω |
(c) 8 Ω |
(d) 9 Ω |
and
are point charges located at points as shown in the figure and S is a spherical Gaussian surface of radius R. Which of the following is true according to the Gauss’s law

|
(a) |
|
(b) |
|
(c) |
|
(d) None of the above |
In the figure shown there are two semicircles of radii and
in which a current i is flowing. The magnetic induction at the centre O will be
|
(a) |
(b) |
(c) |
(d) |
Plutonium decays with a half-life of 24000 years. If the plutonium is stored for 72000 years, then the fraction of plutonium that remains is
|
(a) |
(b) |
(c) |
(d) |
In a magnetic field of 0.05T, area of a coil changes from
to
without changing the resistance which is 2W. The amount of charge that flow during this period is
|
(a) 2.5 |
(b) 2 |
|
(c) |
(d) |
An extremely hot star would appear to be
|
(a) Red |
(b) Blue |
(c) Yellow |
(d) Orange |