Explanation:
The first three options are correct from the definition of Binding energy.
B.E. has nothing to do with K.E. of the nucleons in nucleus.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Critical angle is that angle of incidence in the denser medium for which the angle of refraction in rarer medium is
|
(a) 0° |
(b) 57° |
(c) 90° | (d) 180° |
Consider the following two statements A and B and identify the correct choice in the given answer
A : The characteristic X-ray spectrum depends on the nature of the material of the target.
B : The short wavelength limit of continuous X-ray spectrum varies inversely with the potential difference applied to the X-rays tube
|
(a) A is true and B is false |
(b) A is false and B is true |
|
(c) Both A and B are true |
(d) Both A and B are false |
In a Young's double slit experiment, the fringe width will remain same, if (D = distance between screen and plane of slits, d = separation between two slits and λ = wavelength of light used)
|
(a) Both λ and D are doubled |
(b) Both d and D are doubled |
|
(c) D is doubled but d is halved |
(d) λ is doubled but d is halved |
3 identical bulbs are connected in series and these together dissipate a power P. If now the bulbs are connected in parallel, then the power dissipated will be
|
(a) |
(b) 3P |
(c) 9P |
(d) |
If the angles of dip at two places are 30o and 45o respectively, then the ratio of horizontal components of earth's magnetic field at the two places will be
(a) 
|
(b) 1 : 
|
(c) 1 : 
|
(d) 1 : 2 |
An air filled parallel plate capacitor has capacity C. If distance between plates is doubled and it is immersed in a liquid then capacity becomes twice. Dielectric constant of the liquid is
|
(a) 1 |
(b) 2 |
(c) 3 |
(d) 4 |
