(i) In beakers A and B, exothermic process has occurred. (ii) In beakers A and B, endothermic process has occurred. (iii) In beaker C, exothermic process has occurred. (iv) In beaker C, endothermic process has occurred.

Class 10th Science Session 2022-23 Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions

All of colours of light do not travel with same speed in the medium. The various colours of white light have different extent of refraction in a medium which is the cause of dispersion of light.

Ozone layer depletion causes increased incidence of ultraviolet radiations on the surface of the earth and this causes skin cancer, cataract and other eye damage. Tides are caused due to the gravitational pull of the moon on the earth, not ...