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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

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

Class XI Physics Revision Tests – Thermodynamics

PHYSICS TEST PAPER THERMODYNAMICS Max marks 35 Time 1 ½ hrs Questions 1 to 5: 1 mark  each Questions 6 to 10: 2 marks each Questions 11 to 15: 3 marks each Question 16: 5 marks What is an isochoric process? On what factors does the efficiency of a Carnot engine depend? State second law … Continue reading Class XI Physics Revision Tests – Thermodynamics

Alternating Current Circuits and EM Waves Test Paper (KV Pattom)

Download the test paper from Alternating Current and Electromagnetic Waves (Class XII Physics) AC & EM Waves Test Paper

Optional Proficiency Test for Class-X

CBSE is conducting an optional proficiency test in all the five main subjects from next year. The proposed Proficiency Test is being conducted with the broad objectives of : acting as a benchmark in testing of skills and higher mental abilities of students providing motivation to students for academic excellence in the respective subject providing … Continue reading Optional Proficiency Test for Class-X

Numericals from Kinematics

PHYSICS TEST (CLASS XI) Kinematics A particle is projected at 60º to the horizontal with a kinetic energy K. What is the kinetic energy at the highest point Which of the following statements is false for a particle moving in a circle with a constant angular speed? (a) the velocity vector is tangent to the … Continue reading Numericals from Kinematics

ELECTROSTATICS TEST PAPER FOR CLASS XII

  1. What orientation of an electric dipole in a uniform electric field corresponds to its stable equilibrium? 2. What is the area of the plates of a parallel plate capacitor of capacitance 2F and with separation between plates 0.5 cm? 3. What is the work done in carrying a point charge 10 nC between … Continue reading ELECTROSTATICS TEST PAPER FOR CLASS XII