Category Archive: questionbank

Dec 19

Class 12 Physics Sample Papers

Please find below a list of Sample Papers in Physics. Download and practice them. All The Best.

CBSE Class 12 Physics Sample Paper 1

CBSE Class 12 Physics Sample Paper 2

CBSE

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Dec 16

CLASS XI PHYSICS IMPORTANT QUESTIONS

3 MARKS: 1) DISTINGUISH BETWEEN FUNDAMENTAL UNITS AND DERIVED UNITS. 2) WHAT ARE THE TWO TYPES OF COLLISION? EXPLAIN THEM. 3) STATE NEWTONS FIRST LAW OF MOTION.<br

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Dec 02

SEMICONDUCTOR DEVICES–CLASS 12 PHYSICS QUESTION BANK

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1. Draw a circuit diagram of OR gate.

2. What is a logic gate?

3. What types of charge-carriers are there in a n-type semi conductor?

4. Give the logical symbol of an AND gate. Mark the inputs and outputs.

5. Draw the logic symbol for a NAND gate.

6. Which biasing will make the resistance of p-n junction high?

7. Write the truth table for OR gate.

8. What is the change in the collector current, in a transistor of a.c. current gain 150, for a 100µA change in its base current?

9. When the voltage drop across a p-n junction diode is increased from 0.65V to 0.70V, the change in the diode current is 5mA. What is the dynamic resistance of the diode?

10. How does conductivity of a semiconductor change with rise in its temperature?

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Nov 15

CLASS XII PHYSICS SAMPLE PAPER FOR AISSCE 2012

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CLASS XII – SAMPLE PAPER

PHYSICS

Time allowed : 3 hours

Max. Marks : 70

General Instructions:

  1. All questions are compulsory
  2. There are 30 questions in total. Questions 1 to 8 carry one mark each, 9 to 18 carry two marks each, 19 to 27 carry 3 marks each and 28 to 30 carry 5 marks each.
  3. There is no overall choice, but internal choices are provided. You have to attempt only one choice in full.
  4. Use of calculator is not permitted.
  5. You may use the logarithm table, if required.

1. Express dielectric constant in terms of capacitance.

2. What is magnetic susceptibility?

3. Define electromagnetic induction.

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Nov 06

Download sample question papers from CBSE

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Sep 02

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 [...]

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