Black holes act as galactic thermostats Physicists in tune with neuronsSun puts relativity to the test Graphene tunes in to terahertz radiation Big science at very low energies
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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