Displacement-time graph and Velocity time graph of a ball thrown and comes down When a ball is thrown up and it comes down, the motion...

Displacement-time and Velocity-time graph when ball is dropped and it rebounces - with energy lost When a ball is dropped and it...

Displacement-time and Velocity-time graph when ball is dropped and it rebounces (no energy lost) When a ball dropped and then it...

Characteristics of mirror image: • virtual (an image which cannot be formed on a screen) • same size as object • laterally inverted •...

Internal energy of a substance is the sum of kinetic energy and  potential energy of the molecules. kinetic energy  is directly...

In the syllabus, we are required to understand the orders of magntiude of various objects. Though we may no need to memorise the exact...

2002PPQ38, 2003PPQ38, 2005PPQ37, 2006PPQ38, 2007PPQ39 Answer: Option B Answer: Option D Answer: Option B Answer: Option C Answer: Option...

2005SPQ20, 2006PPQ40, 2005PPQ38, 2003PPQ39 Answer: Option A Answer: Option D Answer: Option B Answer: Option C Answer: Option B Answer:...

Alpha particle is a helium nucleus which is positive charged . Beta particle is an electron which is negative charged . Gamma ray has...

Half-life of a radioactive nuclide is the time taken for half the nuclei of that nuclide in any sample to decay . (time taken for the...