Physics Questions For Airforce & Navy Exams by Lokesh Sir: 9th January


Dear Aspirants, Physics is an important subject in various exams like Airforce X&Y Group, Indian Navy (AA&SSR),NDA, CDS, AFCAT, CAPF and other Defence Exams. Here at Defence Adda we provide you with the quizzes based on the syllabus and pattern of these exams. The questions asked are of 10+2 level and preparing with a wide variety of questions will only help you ace in these exams. Here is a quiz based on the latest syllabus of these exams and covering various topics like Quantum Mechanics, Light, Thermodynamics, Magnetism etc to help you prepare with a wide variety of questions.


Q1. The momentum of a toy bus of 0.01 kg moving with a velocity of 5m/s is 
(a) 0.05 kgm/s
(b) 0.005kgm/s
(c) 0.0005kgm/s
(d) 0.5kgm/s

Q2. Impulse equal to
(a) ma
(b) Ft
(c) mv
(d) (v-u)/t

Q3. The rate of change of momentum of an object is proportional to
(a) Mass of the body
(b) Velocity of the body
(c) Net force applied on the body
(d). None of these

Q4. If two balls of same masses are dropped on sand, the depths of penetration is same if.
(a) Heavier ball is dropped faster than lighter ball
(b) Lighter ball is dropped faster than heavier ball 
(c) The product ‘mv’ is same for both bodies 
(d) None of these

Q5. A coin placed on a card (rested at the edges of the glass) remains at rest because of
(a) Inertia of rest
(b) Two forces act on the coin which balance each other
(c) No unbalanced force acts on it
(d) All of these

Q6. A force of 50N moves a body,
(a) Friction force exerted on the body is less than 50N
(b) Friction force exerted on the body is more than 50N
(c) None of these
(d) Both of a and b

Q7. A fielder giving a swing while catching a ball is an example of
(a) Inertia
(b) Momentum
(c) Newton’s II law of motion
(d) Newton’s I law of motion

Q8. Action and reaction forces
(a) Act on the same body
(b) Act on different bodies
(c) Act in same direction
(d) Both I and III

Q9.  While riding the bicycle if we stop peddling why does the bicycle begins to slow down?
(a) The earth’s gravitational force acts on it
(b) It is not accelerated
(c) No unbalanced force acts on it
(d) Frictional force acts on it

Q10. The law that give a Qualitative definition of force is 
(a) Newton’s second low of motion
(b) Newton's first law of motion
(c) Newton’s third law of motion
(d) Law of gravitation


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