Retina of the eye is comparable to which of the following parts of a traditional camera?

Which of the following is not a part of compound microscope ?

Which of the following is the reason behind the faster travel of information in a fibre optic cable than copper wire ?

Which one of the following reflects back more sunlight as compared to other?

Which one of the following colours is seen in the middle of a Rainbow?

Raman effect is due to Sir C. V. Raman. Which of the following statements is correct about 'Raman effect?