Questions

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

___ is a unit of length, roughly the distance from Earth to the Sun.

The basic concept of Montessori education is

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button
corresponding to it. If the sentence is free from error, click the "No error" option.
(A) Still
(B) waters
(C) run deep
(D) No Error

Which of the following is at the second trophic level of a food chain?

Human blood platelets releases ___ which helps in clotting of blood.

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Indirect/Direct speech.
Heena said, "I bought a dress yesterday."

Non-metal oxides are usually