## Physics – Important Question Bank for CBSE Class XII (HSC) Board Exam 2020

HSC Board Exams are fast approaching and students are getting anxious about how to prepare for their HSC Board Exams. So we had mentioned some HSC Study Tips to help students in Cracking HSC Exams. After the tremendous success of Important […]

## Physics  – Important Question Bank for West Bengal Class XII HS (HSC) Board Exam 2019

HSC Board Exams are fast approaching and students are getting anxious about how to prepare for their HSC Board Exams. So we had mentioned some HSC Study Tips to help students in Cracking HSC Exams. After the tremendous success of our […]

## Physics – Important Question Bank for CBSE Class XII (HSC) Board Exam 2019

HSC Board Exams are fast approaching and students are getting anxious about how to prepare for their HSC Board Exams. So we had mentioned some HSC Study Tips to help students in Cracking HSC Exams. After the tremendous success of Important […]

## Physics – Important Question Bank for CBSE Class XII (HSC) Board Exam 2017

HSC Board Exams are fast approaching and students are getting anxious about how to prepare for their HSC Board Exams. So we had mentioned some HSC Study Tips to help students in Cracking HSC Exams. After the tremendous success of our […]

## Physics  – Important Question Bank for West Bengal Class XII HS (HSC) Board Exam 2017

HSC Board Exams are fast approaching and students are getting anxious about how to prepare for their HSC Board Exams. So we had mentioned some HSC Study Tips to help students in Cracking HSC Exams. After the tremendous success of our […]

## What is dichroism?

i. The property by which some doubly refracting crystals absorb the ordinary rays (O-rays) completely and extraordinary rays whose direction is parallel to the optic axis passing through the crystal, is called dichroism. ii. The crystal possessing dichroism property is […]

## Explain the applications of Doppler effect of light in astronomical physics.

i. Doppler effect of light is used to determine the radial velocities of distant galaxies. ii. It is used to measure the speed of rotation of the sun. a. The east and west edges of the sun are photographed. Each […]