A girl uses spectacles of focal length $- 50 cm$ . Name the defect of vision she is suffering from. What is the power of lens in dioptre?

Important Questions on Sample Paper-1

HARD

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 6 - Sample Paper-1>Sample Paper-1>Q 6

A pin of height

2 cm

is placed on the principal axis of a converging lens. An inverted image of size

1 cm

is formed at a distance of

40 cm

from the lens. Find the focal length of the lens and the distance of the pin from the lens.

MEDIUM

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 6 - Sample Paper-1>Sample Paper-1>Q 7

What is a solenoid? Draw the pattern of magnetic field lines of a solenoid when a steady current flows through it showing north and south pole?

MEDIUM

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 6 - Sample Paper-1>Sample Paper-1>Q 7

On what factors the magnitude of magnetic field of a solenoid depends?

MEDIUM

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 6 - Sample Paper-1>Sample Paper-1>Q 8

State the rule to determine the direction of force experienced by a current - carrying straight conductor placed in a magnetic field which is perpendicular.

MEDIUM

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 6 - Sample Paper-1>Sample Paper-1>Q 9

Name a major fuel component of biogas. Draw a labelled diagram of a fixed dome type biogas plant. What is the use of residual slurry and why?

MEDIUM

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 6 - Sample Paper-1>Sample Paper-1>Q 10

List the factors on which the angle of deviation of prism depends.

MEDIUM

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 6 - Sample Paper-1>Sample Paper-1>Q 10

In the given figure of a prism which is the angle of emergence and angle of deviation.

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MEDIUM

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 6 - Sample Paper-1>Sample Paper-1>Q 11

The measuring instruments and the resistors are checked to be OK and then used in the electric circuit given. On closing the key the reading in the voltmeter and ammeter are $2 V$ and $1 A$ respectively. Are the readings correct? If not what is the fault and what could be the possible reason for the fault?

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