1. A wave is a disturbance whichA) Transfers energy without transfer of matterB) Transfers both energy and matterC) Transfers only…
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1. The motion which repeats itself at regular intervals of time is calledA) Periodic motionB) Linear motionC) Circular motionD) Rotational…
1. The property of a liquid by virtue of which it opposes relative motion between its layers is calledA) ViscosityB)…
1. The property of a body by virtue of which it regains its original shape after removing deforming force is…
1. Surface tension is caused byA) Cohesive forcesB) Adhesive forcesC) FrictionD) GravityAnswer: A) Cohesive forcesExplanation: Molecules at the surface experience…
1. Who gave the universal law of gravitation?a) Newtonb) Keplerc) Galileod) EinsteinAnswer: aExplanation: Isaac Newton proposed the universal law of…
1. Sound is produced due to —A) Chemical reactionB) Vibration of bodiesC) Heat energyD) Light energy Show Answer Answer: B)Vibration…
1. A mixture contains milk and water in the ratio 3:1. The percentage of milk in the mixture is:A) 25%B)…
1. The sum of the angles of a triangle is always:A) 90°B) 180°C) 270°D) 360°Answer: B) 180°Explanation: According to Euclidean…
1. Oxidation involves:A) Gain of electronsB) Loss of electronsC) Gain of protonsD) None of theseAnswer: BExplanation: Oxidation is the process…