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Q1
What are permanent magnets? Give one example.

Free Response Question Easy View solution

Q2
What is the geometrical shape of equipotential surfaces due to a single isolated charge?

Free Response Question Easy View solution

Q3
Which of the following waves can be polarized? (i) Heat waves (ii) Sound waves?
Give reason to support your answer.

Free Response Question Easy View solution

Q4
A capacitor has been charged by a dc source. What are the magnitudes of conduction and displacement currents, when it is fully charged?

Free Response Question Easy View solution

Q5
Write the relationship between angle of incidence 'i', angle of prism 'A' and angle of minimum deviation for a triangular prism.

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Q6
The given graph shows the variation of photo-electric current (I) versus applied voltage (V) for two different photosensitive materials and for two different intensities of the incident radiation. Identify the pairs of curves that correspond to different materials but same intensity of incident radiation.

Free Response Question Hard View solution

Q7
A 10 V battery of negligible internal resistance is connected across a 200 V battery and a resitance of 38 Ω as shown in the figure. Find the value of the current in circuit.

Free Response Question Hard View solution

Q8
The emf of a cell is always greater than its terminal voltage? Why? Give reason.

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Q9
(a) Write necessary conditions for the phenomenon of total internal reflection to occur.
(b) Write the relation between the refractive index and critical angle for a given pair of optical media.

Free Response Question Medium View solution

Q10
State Lenz's law.
A metallic rod held horizontally along east-west direction, is allowed to fall under gravity. Will there be an emf induced at its ends? Justify your answer.

Free Response Question Medium View solution

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2013

Q1
What are permanent magnets? Give one example.

Solution

Q2
What is the geometrical shape of equipotential surfaces due to a single isolated charge?

Solution

Q3
Which of the following waves can be polarized? (i) Heat waves (ii) Sound waves?
Give reason to support your answer.

Solution

Q4
A capacitor has been charged by a dc source. What are the magnitudes of conduction and displacement currents, when it is fully charged?

Solution

Q5
Write the relationship between angle of incidence 'i', angle of prism 'A' and angle of minimum deviation for a triangular prism.

Solution

Solution

Q7
A 10 V battery of negligible internal resistance is connected across a 200 V battery and a resitance of 38 Ω as shown in the figure. Find the value of the current in circuit.

Solution

Q8
The emf of a cell is always greater than its terminal voltage? Why? Give reason.

Solution

Q9
(a) Write necessary conditions for the phenomenon of total internal reflection to occur.
(b) Write the relation between the refractive index and critical angle for a given pair of optical media.

Solution

Q10
State Lenz's law.
A metallic rod held horizontally along east-west direction, is allowed to fall under gravity. Will there be an emf induced at its ends? Justify your answer.

Solution

Subjects

2013

Q1 What are permanent magnets? Give one example.

Solution

Q2 What is the geometrical shape of equipotential surfaces due to a single isolated charge?

Solution

Q3 Which of the following waves can be polarized? (i) Heat waves (ii) Sound waves? Give reason to support your answer.

Solution

Q4 A capacitor has been charged by a dc source. What are the magnitudes of conduction and displacement currents, when it is fully charged?

Solution

Q5 Write the relationship between angle of incidence 'i', angle of prism 'A' and angle of minimum deviation for a triangular prism.

Solution

Solution

Q7 A 10 V battery of negligible internal resistance is connected across a 200 V battery and a resitance of 38 Ω as shown in the figure. Find the value of the current in circuit.

Solution

Q8 The emf of a cell is always greater than its terminal voltage? Why? Give reason.

Solution

Q9 (a) Write necessary conditions for the phenomenon of total internal reflection to occur. (b) Write the relation between the refractive index and critical angle for a given pair of optical media.

Solution

Q10 State Lenz's law. A metallic rod held horizontally along east-west direction, is allowed to fall under gravity. Will there be an emf induced at its ends? Justify your answer.

Solution

Subjects

Q1
What are permanent magnets? Give one example.

Q2
What is the geometrical shape of equipotential surfaces due to a single isolated charge?

Q3
Which of the following waves can be polarized? (i) Heat waves (ii) Sound waves?
Give reason to support your answer.

Q4
A capacitor has been charged by a dc source. What are the magnitudes of conduction and displacement currents, when it is fully charged?

Q5
Write the relationship between angle of incidence 'i', angle of prism 'A' and angle of minimum deviation for a triangular prism.

Q7
A 10 V battery of negligible internal resistance is connected across a 200 V battery and a resitance of 38 Ω as shown in the figure. Find the value of the current in circuit.

Q8
The emf of a cell is always greater than its terminal voltage? Why? Give reason.

Q9
(a) Write necessary conditions for the phenomenon of total internal reflection to occur.
(b) Write the relation between the refractive index and critical angle for a given pair of optical media.

Q10
State Lenz's law.
A metallic rod held horizontally along east-west direction, is allowed to fall under gravity. Will there be an emf induced at its ends? Justify your answer.