Class 12th Physics

5. MAGNETISM AND MATTER ( SHORT QUESTION ANSWER 2022 )

  Q.1. What are properties of a bar magnet ? Ans ⇒ The following are the main properties of a…

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4. MOVING CHARGES AND MAGNETISM ( SHORT QUESTION ANSWER 2022 )

4. MOVING CHARGES AND MAGNETISM Q.1. Identify the part of the electromagnetic spectrum which is : (i) Suitable for radar…

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3. CURRENT ELECTRICITY ( SHORT QUESTION ANSWER 2022 )

3. CURRENT ELECTRICITY Q.1. What do you mean by colour code of carbon resistance ? The value of resistances used…

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2. ELECTROSTATIC POTENTIAL AND CAPACITANCE ( SHORT QUESTION ANSWER 2022 )

2. ELECTROSTATIC POTENTIAL AND CAPACITANCE Q.1. What do you mean by saying that electrostatic field in conservative in nature ?…

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1. ELECTRIC CHARGES AND FIELDS ( SHORT QUESTION ANSWER 2022 )

Q.1. An electric dipole is held in a uniform electric field. (i) Using suitable diagram, show that it does not…

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15. COMMUNICATION SYSTEMS( Objective Question Answer 2022 )

1. Who undertook the first space walk and in which year ? (A) Leonov, 1965 (B) Neil Armstrong, 1969 (C)…

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14. SEMI CONDUCTOR ELECTRONICS : ATERIALS, DEVICES & SIMPLE CIRCUITS( Objective Question Answer 2022 )

1. Bonds in a semiconductor : (A) trivalent (B) covalent (C) bivalent (D) monovalent Answer ⇒ B 2. Number of…

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13. NUCLEI( Objective Question Answer 2022 )

1. How many electrons are contained in 23892U nucleus ? (A) 92 (B) 146 (C) 238 (D) O Answer ⇒…

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11. DUAL NATURE OF MATTER AND RADIATION( Objective Question Answer 2022 )

1. De-Broglie equation states the : (A) dual nature (B) particle nature (C) wave nature (D) none of these Answer…

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10. WAVE OPTICS( Objective Question Answer 2022 )

  1. Poisson’s bright spot was discovered by: (A) Fresnel (B) Rayleigh (C) Poisson (D) Fraunhoffer Answer ⇒ C 2.…

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