Question

А A Question 2 Incorrect Mark 0.00 out of 1.00 P Flag question Assertion(A): Danger signals are made of red colour. Reason (R): Velocity of red light in air is maximum, so signals are visible even in dark. a. B Ob. C c. D d. A Your answer is incorrect. The correct answer is: C Question 3 Correct Mark 1.00 out of 1.00 Flag question Assertion The stars twinkle while the nlanets do not 20​

Answer 1

Answer:

nlanets = planets

Explanation:

Correct option b Both A and R are true but R is not correct explanation of AExplanation:Red colour is always used for danger signals because as red colour is having the longest wavelength it is the least scattered. So this signal can be seen from a very long distance