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# Science(physics) Questions For CTET,DSSSB,KVS Exam: 22nd september 2018

Today, we are providing you the Physics Questions, which help you to command over this subjects.Taught many interesting physics facts and information and add some fun in a science teaching learning process.This section is not only important for CTET exam but also for other TET Exam i.e UPTET, REET, KVS,DSSSB Exam etc. So, we will provide you the questions which will help you in preparing for Exams.

Q1. A bus covers the first 10 km of its journey at an average speed of 40 km/hr and the remaining 45 km at an average speed of 60 km/hr. The average speed of the bus for its total journey is
(a) 52.5 km/h
(b) 55 km/h
(c) 50 km/h
(d) 57.5 km/h

Q2. An object of mass 6 kg is sliding on a frictionless horizontal Surface with a uniform speed of 3 m/s. The force required to keep the object moving at the same speed along the same straight line is
(a) 27 N
(b) 18 N
(c) 54 N
(d) 0 N

Q3. We are not crushed under the weight of atmosphere, because
(a) the pressure inside our body is less than atmospheric pressure
(b) the pressure inside our body is equal to the atmospheric pressure and cancels the pressure from outside
(c) the pressure inside our body is more than atmospheric pressure
(d) the pressure inside our body is more than atmospheric pressure and cancels the pressure from outside

Q4. A block of iron dropped in a vessel of water, sinks to the bottom. This is because
(a) the weight of the block is less than the weight of the water displaced by the block
(b) the density of water is more than the density of the block
(c) the vessel is not deep enough to allow the block to float
(d) the weight of the water displaced by the block is less the weight of the block

Q5. A book is lying at rest on the surface of a table. Which one of the following statements is true about the force(s) acting on it?
(a) There is a pair of balanced forces acting on it
(b) Only gravitational force is acting on it
(c) Only frictional force is acting on it
(d) There is no force acting on it

Q6. The pressure in a fluid that is at rest
(a) acts only in downward direction
(b) acts only sideways
(c) acts in all directions
(d) acts only in vertical direction

Q7. A block of wood is lying at rest on a table. What can be said about the force (s) acting on it?
(a) There is no force acting on it
(b) Gravitational and frictional forces are acting on it
(c) There is a pair of balanced forces acting on it
(d) Only gravitational force is acting on it

Q8. Which one of the following is the correct increasing order of the rolling, static and sliding frictions?
(a) Rolling, static, sliding
(b) Rolling, sliding, static
(c) Static, sliding, rolling
(d) Sliding, static, rolling

Q9. A merry-go-round is moving at a non-varying speed of 10 m/s. It implies that
(a) it is moving with uniform velocity
(b) it is moving with uniform acceleration
(c) it is moving with uniform speed
(d) the actual distance covered by swings with respect to each other is 10 metres

Q10. Porters who carry heavy luggage always have a long piece of cloth with them. Before carrying the load on their heads they fold the cloth in the shape of a round disc and place it on their heads. By doing this they
(a) decrease the thrust of the luggage
(b) save their heads from possible injury
(c) increase the area of contact of the load of luggage with their head
(d) decrease the force exerted by the load of luggage on the head

Solutions

S2. Ans.(d)
Sol.

S3. Ans.(b)
Sol.

S4. Ans.(d)
Sol.

S5. Ans.(a)
Sol.

S6. Ans.(c)
Sol.

S7. Ans.(c)
Sol.

S8. Ans.(c)
Sol.

S9. Ans.(c)
Sol.

S10. Ans.(c)
Sol.