15. COMMUNICATION SYSTEMS (Long Answer Type Question)
Q.1. With the help of block diagram explain the working of a fibre optic communication link. Ans ⇒…
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14. SEMI CONDUCTOR ELECTRONICS : MATERIALS, DEVICES & SIMPLE CIRCUITS (Long…
Q. 1. What is energy ? Distinguis between conductor, semiconductor and insulator on the basis of…
13. NUCLEI (Long Answer Type Question)
Q.1. (i) Find the energy released in the nuclear reaction A = B + C + D the binding energies of A, B, C and EA,…
11. DUAL NATURE OF MATTER AND RADIATION (Long Answer Type Question)
11. DUAL NATURE OF MATTER AND RADIATION Q.1. What is the photoelectric effect and how did Einstein explain…
10. WAVE OPTICS( Long Answer Type Question )
10. WAVE OPTICS Q.1. Derive an expression for angular fringe width in Young double-slit experiment. Ans ⇒…
9. RAY OPTICS AND OPTICAL INSTRUMENTS( Long Answer Type Question )
9. RAY OPTICS AND OPTICAL INSTRUMENTS Q.1. What is total internal reflection ? Explain its two applications.…
8. ELECTROMAGNETIC WAVES ( Long Answer Type Question )
Q. 1. What are electromagnetic waves ? Describe their properties. Describe electroma gnetic spectrum.…
7. ALTERNATING CURRENT ( LONG ANSWER TYPE QUESTION )
Q.1. Discuss LCR circuit with phaser diagram. Ans ⇒ LCR circuit with phaser diagram : In this…
6. ELECTROMAGNETIC INDUCTION( LONG ANSWER TYPE QUESTION )
Q.1. (a) Lenz's law obeys the law of conservation of energy. Explain.
(b) Describe construction & working…
5. MAGNETISM AND MATTER( LONG ANSWER TYPE QUESTION )
Q.1. Distinguish among dia, para and ferromagnetic substance. Ans ⇒ S.N
Diamagnetic Substances…
4. MOVING CHARGES AND MAGNETISM ( LONG ANSWER TYPE QUESTION )
Q.1. State and explain Biot-Savart Law. Find an expression for magnetic induction at a sistance from…
3. CURRENT ELECTRICITY ( LONG ANSWER TYPE QUESTION
Q.1. State Kirchhoff's rules. Obtain the condition for a balanced wheat stone bridge. Ans ⇒ Kirchhoff's…
2. ELECTROSTATIC POTENTIAL AND CAPACITANCE ( LONG ANSWER TYPE QUESTION )
Q.1. Find the loss of the electrical potential energy when two charged capactiors are connected in parallel…
1. ELECTRIC CHARGES AND FIELDS ( LONG ANSWER TYPE QUESTION )
Q.1. Calculate electric potential and intensity a point P (r, θ) due to an electric dipole. Ans ⇒…
15. COMMUNICATION SYSTEMS ( SHORT QUESTION ANSWER 2022 )
15. COMMUNICATION SYSTEMS Q.1. Explain the following terms :
(i) Ground waves (ii) Sky waves (iii) Space…
14. SEMI CONDUCTOR ELECTRONICS : MATERIALS, DEVICES & SIMPLE CIRCUITS TILE (…
14. SEMI CONDUCTOR ELECTRONICS : MATERIALS, DEVICES & SIMPLE CIRCUITS TILE Q.1. Distinguish between an…
13. NUCLEI ( SHORT QUESTION ANSWER 2022 )
13. NUCLEI Q.1. Define binding energy of a nucleus. Ans ⇒ It is defined as the amount of work done to…
12. ATOMS ( SHORT QUESTION ANSWER 2022 )
12. ATOMS Q.1. State Bohr's frequency condition. Ans ⇒ It states that the frequency v of a radiation…
11. DUAL NATURE OF MATTER AND RADIATION ( SHORT QUESTION ANSWER 2022 )
11. DUAL NATURE OF MATTER AND RADIATION Q.1. Draw the graphs showing the variations of photo-electric…
10. WAVE OPTICS ( SHORT QUESTION ANSWER 2022 )
10. WAVE OPTICS Q.1. Two electric lines of force cannot intersect each other. Why ? Sketch the lines of…