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CBSE Physics Electrostatics Expected Questions for Quick Revision : Unit I

Short/V. Short Questions i.e. 1-2 Marks Questions 1. Name two basic properties of electric charge. Answer : 2. The electric potential at 0 - 9 m from a point charge is + 50 V. Find the magnitude and nature of the charge. Answer : 3. Small ozone layer on the top of atmosphere is crucial for human survival. Why ? Answer : 4. Sketch lines of force due to point charges (i) q < 0 ; (ii) q > 0. Answer : 5. Define dielectric constant in terms of capacitance of a

CBSE Physics Universe Expected Questions : Unit XIII

Short Answer Type Questions Q. 1. Name the nine plantes. Answer Q. 2. What is 1 AU ? Answer Q. 3. How were the crators caused on the surface of moon ? Answer Q. 4. What is albedo of a planet ? Answer Q. 5. State Hubble's law. Answer Q. 6. What is order of mass of Sun ? Answer Q. 7. What is Milky Way ? Answer Q. 8. How is brightness of star represented ? Answer Q. 9. What is the value of Solar Constant ? Answer Q. 10.

CBSE Physics Solids and Semi-Conductor Devices Expected Questions : Unit XII

Very Short Answer Type Questions Q. 1. Define semiconductor. Answer Q. 2. What is doping ? Answer Q. 3. Doping of silicon with indium leads to which type of semiconductor ? Answer Q. 4. What is n-type semiconductor ? Answer Q. 5. What is p-type semiconductor ? Answer Q. 6. Define Gate. Answer Q. 7. Which of crystalline or amporphous substance isotropic ? Answer Q. 8. Why transistor is so called 7 Answer Q. 9. What (11011)2 stand for? Answer Q. 10. How can you test in

CBSE Physics Atom, Nucleus, Nuclear Energy Expected Questions : Unit XI

Very Short Answer Type Questions Q. 1. Define isotopes. Answer Q. 2. Define isobars. strong>Answer Q. 3. What is atomic mass unit ? strong>Answer Q. 4. Define nuclear fission and fusion. strong>Answer Q. 5. Define Curie. strong>Answer Q. 6. Define half life period. strong>Answer Q. 7. What is approximately density of nucleus ? strong>Answer Q. 8. What is the ratio of gravitational, electric and nuclear interaction ? strong>Answer Q. 9. What is mass defect ? strong>Answer Q. 10. Deine radioactive decay constant. strong>Answer Q. 11. What is the relation between nuclear

CBSE Physics 12 Universe Expected Questions : Unit XII

Short/V. Short Answer Questions (1,2 Marks Questions) 1. Name the two factors which account for existence of atmosphere on the planet. Answer 2. How is the luminosity of a star affected by the increase in its mass ? Answer 3. Name the parameters which determine the apparent colour of a star. Answer 4. What is geostationary satellite ? Answer 5. What are meteorites ? Answer 6. How does a radar help in determining the distance of a distant object ? Answer 7- Write the sequence of steller spectra which arranges the states in order of decreasing tempera¬ture.