General Science Class 10

The defect in which the image is formed beyond the retina is called?

1. Long-sightedness
2. Blind spotting
3. Short-sightedness
4. Image defect

Lenses form images through:

1. Dispersion
2. Diffraction
3. Refraction
4. Reflection

To illuminate the inaccessible places in the tooth, dentists use :

1. Convex mirror
2. Concave lens
3. Convex lens
4. Concave mirror

Branch of physics which deals with the charges at rest is called?

1. Electricity
2. Quantum
3. Electrostatic
4. Magnetism

The magnitude of force between two unit positive charges when the distance between them is 1m would be?

1. 0N
2. 1N
3. 2N
4. Columbus Constant

Coulombs law most closely resembles with :

1. Law of conservation of Energy
2. Newton's Law of Gravitation
3. Newton's 2nd law of Motion
4. Faraday's law

The direction of electric force and electric field intensity is :

1. Parallel to each other
2. Perpendicular to each other
3. Opposite to each other
4. In any direction

The work done on a unit charge against electric field intensity is called?

1. Electric field
2. Electric potential
3. Electric current
4. None

The capacitance of capacitors increases when they connected in :

1. Parallel
2. Series
3. Both A and B
4. None

Two capacitors of 8µF are connected in series then the equivalent capacitance is :

1. ¼ µF
2. 2 µF
3. 3 µF
4. 4 µF