Worthy Downloads from PlusTwoPhysics

Hi! We are bringing together some of the worthy downloads we provided earlier and elsewhere at this site. Hope that these links will help you score better. Electrostatics 1 Electrostatics 2 Electric Potential Current Electricity (The file a little bit large and therefore will take some time to load/download) Related articles Mark Distribution in Physics for…… Continue reading Worthy Downloads from PlusTwoPhysics

If gravitation suddenly stops?!

If gravitation suddenly stops …… neglecting the rotation … if someone is standing on ground ….. will the normal reaction disappear?? If yes why? I want to know when does normal reaction acts on a body? and in the absence of weight why would it disappear? (Ahwan Abhinandan Joshi asks)


Find below a question bank from the chapter GRAVITATION of class 9. Portions up to the syllabus for Summative assessment 1 only is included. The answers are not published herewith. Students are advised to solve the questions and problems and post the q…

Gravitation – Questionbank with answer for CBSE Class 9 SA1

The following questions are for a quick revision of the chapter “Gravitation” for CBSE Class 9. There are many other questions which can be asked from the portion allotted for SA1, but will mainly based on these concepts. The questions are based on the bare essential concepts; the minimum level of learning expected from the […]

Acceleration due to gravity

Does the acceleration due to gravity remains constant within the earth’s atmosphere or does it keep decreasing as we go up from the earth’s surface? Rashshad Rasheed Answer No acceleration due to gravity decreases as we go up from the earth’s surfacs Incoming search terms:acceleration due to gravity questionnumericals on gravitation of std ixsample questions […]

Difference between g and G

What is the difference between capital ‘G’ and small ‘g’ in the chapter gravitation?  g  G  Acceleration due to gravity  Universal constant of gravitation  varies from place to place  A constant everywhere on earth  vector quantity  A dimensional constant  unit is ms-2  unit is Nm2kg-2 Incoming search terms:difference between G and Gdifference bet g and Gdifference […]

Class XI Physics Chapter wise Revision Test – Gravitation and Waves

PHYSICS TESTPAPER CLASS XI GRAVITATION AND WAVES   Instructions Questions 1 to 5 carries one mark each Questions 5 to 10 carries 2 marks each Questions 10 to 15 carries 3 marks each Questions 16 and 17 carries 5 marks each   What are mechanical waves? The time period of a vibrating source producing sound…… Continue reading Class XI Physics Chapter wise Revision Test – Gravitation and Waves