7 Claps
1 Comments
1. sol:
P | q | ~p | ~p ^ q |
| T T F F | T F T F | F F T T | F F T F |
3 Thanks
4 Answers
The Short Answer:
Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered more than the other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
11 Thanks
3 Answers
7 Thanks
2 Answers
Yes, a physical quantity can have magnitude and direction but still be a scalar if it doesn't obey the vector addition. An example is Electric Current which has magnitude and a fixed direction, but it does not follow vector laws of addition.
2 Thanks
2 Answers
4 Claps
0 Comments
3 Claps
0 Comments


Congratulations Sachin!!