Questions

What are Equinox days?

Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?

Name the device used to connect computers for communication via telephone lines..

Atomic Number of Hydrogen is _______.

Molecular clocks are based on the idea that _____.

In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization.

___________ is a straw coloured, viscous fluid constituting nearly 55 per cent of the blood.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Put one's foot down