What does 'Red' indicate in the IUCN Red list (2004)?

What are red giants?

What is red nucleus?

What does the picture of the last man indicate to us and what was he called?

Wavelength of red light is :

A bag contains 3 red ,3 white and 3 green balls. One ball is taken out of the bag at random. What is the probability that the ball drawn is (i) red (ii) not red (iii) either red or white.

A bag contains 3 red,3 white and 3 green balls.One ball is taken out of the bag at random.What is the probability that the ball drawn is (i)red (ii)not red (iii) either red or white.

What does the area inside the hysteresis curve indicate?

What is the function of red nucleus?

A diffraction pattern is obtained using a beam of red light. What happens if the red light is replaced by blue light?