- AL, C
- BOnly L
- COnly C
- ✓R, L
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Assertion : If three identical bulbs are connected in series as shown in figure then on closing the switches. Bulb C short circuited and hence illumination of bulbs A and B decreases.

Reason : Voltage on A and B decreases
|
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
|
(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
|
(c) If assertion is true but reason is false. |
|
(d) If the assertion and reason both are false. |
If the ratio of amplitude of two waves is 4 : 3, then the ratio of maximum and minimum intensity is
|
(a) 16 : 18 |
(b) 18 : 16 |
(c) 49 : 1 |
(d) 94 : 1 |
A positively charged ball hangs from a silk thread. We put a positive test charge at a point and measure F/
, then it can be predicted that the electric field strength E
|
(a) |
(b) |
(c) |
(d) Cannot be estimated |