- AMarie Curie
- BPierree Curie
- CJames Chadwick
- DRutherford
Explanation:
James Chadwick discovered the neutron.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Effective resistance between A and B is
|
(a) 15 W |
(b) 5 W |
(c) |
(d) 20 W |
A normal eye is not able to see objects closer than 25cm because:
A double convex thin lens made of glass of refractive index 1.6 has radii of curvature 15 cm each. The focal length of this lens when immersed in a liquid of refractive index 1.63 is
|
(a) – 407 cm |
(b) 250 cm |
(c) 125 cm |
(d) 25 cm |
A charge of 1C is moving in a magnetic field of 0.5Tesla with a velocity of 10m/sec Perpendicular to the field. Force experienced is
|
(a) 5 N |
(b) 10 N |
(b) 10 N |
(d) 0 N |
Which one of the following statements is correct
|
(a) In vacuum, the speed of light depends upon frequency |
|
(b) In vacuum, the speed of light does not depend upon frequency |
|
(c) In vacuum, the speed of light is independent of frequency and wavelength |
|
(d) In vacuum, the speed of light depends upon wavelength |
Speed of light is maximum in
|
(a) Water |
(b) Air |
(c) Glass |
(d) Diamond |