Question
In the nuclear reaction 
is
|
(a) |
(b) |
(c) |
(d) |
✓
Answer
(c) 
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Let r be the distance of a point on the axis of a bar magnet from its centre. The magnetic field at such a point is proportional to:
AM is used for broadcasting because
|
(a) It is more noise immune than other modulation systems |
|
(b) It requires less transmitting power compared with other systems |
|
(c) Its use avoids receiver complexity |
|
(d) No other modulation system can provide the necessary bandwidth faithful transmission |
The current in the adjoining circuit will be
|
(a) |
(b) |
(c) |
(d) |
A thin lens focal length 
and its aperture has diameter d. It forms an image of intensity I. Now the central part of the aperture upto diameter 
is blocked by an opaque paper. The focal length and image intensity will change to
|
(a) |
(b) f and |
(c) |
(d) f and |
When the light source is approaching, the Doppler effect for light is known as:
A diverging beam of light from a point source S having divergence angle a, falls symmetrically on a glass slab as shown. The angles of incidence of the two extreme rays are equal. If the thickness of the glass slab is t and the refractive index n, then the divergence angle of the emergent beam is
|
(a) Zero |
(b) α |
(c) |
(d) 2 |
The diagram shows-the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy
| (a) I | (b) II | (c) III | (d) IV |
The effective resistance between points A and B is
|
(a) 10 Ω |
(b) 20 Ω |
|
(c) 40 Ω |
(d) None of the above three values |
When light wave suffers reflection at the interface from air to glass, the change in phase of the reflected wave is equal to
| (a) 0 |
(b) 
|
(c) 
|
(d) 2
|
Which one of them is a radioisotope?