$\text{v}$
$\frac{\text{v}}{2}$
$2\text{v}$
$\sqrt{2}\text{v}.$
Explanation:
The boat transmits the same wave without any change of frequency to cause the cork to execute SHM with same frequency though amplitude may differ.
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energy. The emitted particle is
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(a) Neutron |
(b) Proton |
(c) α - particle |
(d) Neutrino |
A point object O is placed on the principal axis of a convex lens of focal length f = 20cm at a distance of 40cm to the left of it. The diameter of the lens is 10cm. An eye is placed 60cm to right of the lens and a distance h below the principal axis. The maximum value of h to see the image is:
A radioactive nucleus undergoes a-emission to form a stable element. What will be the recoil velocity of the daughter nucleus if V is the velocity of a-emission and A is the atomic mass of radioactive nucleus
|
(a) |
(b) |
(c) |
(d) |
The phenomenon of change in the _____of light when it passes from one transparent medium to another is refraction.
