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Physics Class 11 Assignments

CBSE Class 11 Physics Work Energy Power Assignment

Question. The vector sum of two forces is perpendicular to their vector differences. In that case, the forces (a) are equal to each other (b) are equal to each other in magnitude (c) are not equal to each other in magnitude (d) cannot be predicted. Answer. B Question. …

CBSE Class 11 Physics Thermodynamics Assignment

Question. A sample of 0.1 g of water at 100°C and normal pressure (1.013 × 105 N m–2) requires 54 cal of heat energy to convert to steam at 100°C. If the volume of the steam produced is 167.1 cc, the change in internal energy of the sample, is (a) 104.3 J (b) 208.7 J (c) 42.2…

CBSE Class 11 Physics Properties of Bulk Matter Assignment

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CBSE Class 11 Physics Physical World and Measurement Assignment

There are four fundamental forces which govern both macroscopic and microscopic phenomena. There are (i) Gravitational force (iii) Electromagnetic force (ii) Nuclear force (iv) Weak force The relative strengths of these forces are Fg :Fw:Fe:Fs=1:1025:1036:1038 .…

CBSE Class 11 Physics Oscillations and Waves Assignment

Oscillations and Waves MCQ Questions with Answers Class 11 Physics Question- Which of the following equations does not represent a simple harmonic motion ? (a) y = a sin ω t (b) y = b cos ω t (c) y = a sin ω t + b cos ω t (d) y = a tan ω t Ans-(d)…

CBSE Class 11 Physics Motion of System of Particles and Rigid Body Assignment

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CBSE Class 11 Physics Law of Motion Assignment

Question. When a body is stationary (a) there is no force acting on it (b) the forces acting on its are not in contact with it (c) the combination of forces acting on it balance each other (d) the body is in vacuum Answer.C Question. A force of 50 N is required topush a car…

CBSE Class 11 Physics Kinematics Assignment

Kinematics MCQ Questions with Answers Class 11 Physics Question- A body starts from rest and is uniformly accelerated for 30 s.The distance travelled in the first 10s is x1. next 10s is x2 and the last 10 s is x3. Then x1 : x2 : x3 is the same as (a) 1 : 2 : 4 (…

CBSE Class 11 Physics Gravitation Assignment

Question. If the distance between two masses is doubled, the gravitational attraction between them: a. Is doubled b. Becomes four times c. Is reduced to half d. Is reduced to a quarter Answer : D Question. The earth (mass = 6×1240 kg) revolves round the sun with angular…