| Column A | Column B |
| 1. The angle between incident ray and the normal. | (a) Real image |
| 2. The angle between reflected ray and the normal. | (b) Virtual image |
| 3. The image taken on the screen. | (c) Lateral inversion |
| 4. The image cannot be taken on the screen. | (d) Angle of reflection |
| 5. The left appearing right and right appearing left on reflection on a plane mirror. | (e) Angle of incidence |
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| Column A | Column B |
| 1. Buildings having very wide foundations. | 1. Reducing force |
| 2. Tools having very small surface area. | 2. Pascal |
| 3. The ratio of thrust (force) and area of cross-section. | 3. High rise buildings |
| 4. The unit of pressure in SI system. | 4. Pressure |
| 5. Decreasing the pressure exerted by an object, without changing its area of contact. | 5. Cutting tools |
| $1.$Mass | $a.$relative density bottle |
| $2.$Volume | $b.$lactometer |
| $3.$Sea breeze | $c.$Eureka can |
| $4.$Density of milk | $d.$physical balance |
| $5.$Relative density | $e.$convection currents |
| Column A | Column B |
| 1. The deviation of rays of light from their path on passing from one medium to another. | (a) Incident ray |
| 2. The name of ray which travels along a different path on passing through a glass slab. | (b) Refraction of light |
| 3. The name of the ray which travels toward an optical medium of a different nature. | (c) Angle of refraction |
| 4. The ratio of speed of light in vacuum to speed of light in a given optical medium. | (d) Refracted ray |
| 5. The angle which a refracted ray makes with normal. | (e) Refractive index |
| Column A | Column B |
| 1. The phenomenon due to which the top surface of a liquid behaves like stretched membrane. | 1. Gas pressure |
| 2. A substance which cannot be subdivided into two or more simpler substances by any chemical means. | 2. intermolecular force |
| 3. The force of attraction between the molecules of a given substance. | 3. Adhesive force |
| 4. The force exerted per unit area by the molecules of a gas on the sides of containing vessel. | 4. Surface tension |
| 5. The force due to which ink sticks to a piece of paper. | 5. Element |
| Column A | Column B |
| 1. The tiny glass bottle used for finding the density of a liquid. | 1. Density |
| 2. Lines marked on the hull of merchant ships. | 2.1000 $Kcm ^{-3}$ |
| 3.A wind blowing in coastal regions during night. | 3. Plimsoll lines |
| 4. The mass per unit volume. | 4. Density bottle |
| 5. The density of freshwater in SI system. | 5. Land breeze |
| Column A | Column B |
| 1. An imaginary line passing through the pole and the center of curvature of a spherical mirror. | (a) Principal focus |
| 2. A point on the principal axis of a concave mirror, where parallel beam of light after reflection meets. | (b) Convex mirror |
| 3. The center of the sphere of which spherical mirror is a part. | (c) Principal axis |
| 4. A spherical mirror which always forms a virtual, erect and diminished image. | (d) Concave mirror |
| 5. A spherical mirror, which can form a virtual, erect and enlarged image. | (e) Center of curvature |
| Column A | Column B |
| 1. The term used when a force causes displacement in a body in its own direction. | (a) No work done |
| 2. The ability to do work. | (b) Joule |
| 3. SI unit of work or energy. | (c) Energy |
| 4. Displacement caused by a force at right angles to its own direction. | (d) Work |
| $1.$Expansion in length | $a.$evaporation |
| $2.$ Water to water vapour at $100^\circ C$ | $b.$superficial expansion |
| $3.$Expansion in volume | $c.$linear expansion |
| $4.$Expansion in area | $d.$boiling |
| $5.$Water to water vapour at $25^\circ C$ | $e.$cubical expansion |
| Column A | Column B |
| 1. A charge produced on a body due to the deficiency of electrons. | (a) Negative charge |
| 2. A charge produced on a body due to excess of electrons. | (b) Free electrons |
| 3. Surest test for electrification. | (c) Silver |
| 4. The electrons in the outermost shell of an atom. | (d) Positive charge |
| 5. A material which is best conductor of electricity. | (e) Repulsion |
| Column A | Column B |
| 1. A device which converts electric energy into heat energy only. | (a) Microphone |
| 2. A device which converts electric energy into mechanical energy. | (b) Electric generator |
| 3. A device which converts sound energy into electric energy. | (c) Electric motor |
| 4. A device which converts light energy into electric energy. | (d) Electric geyser |
| 5. A device which converts mechanical energy into electric energy. | (e) Photo-voltaic cell |