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# UPTET 2019 : Important Physics Questions Now | 10th August 2019

Today, we are providing you the Physics Questions, which help you to command over this subjects.Taught many interesting science information and add some fun in a science teaching-learning process.This section is not only important for CTET 2019 Exam i.e UPTET, PTET, REET,HTET etc. So, we will provide you the questions which will help you in preparing for Exam.

Q1. A ball rolling along the ground gradually slows down and finally comes to rest is due to ________.
(a) Friction
(b) Magnetic force
(c) Electrostatic force
(d) Muscular force
Q2. The angle between the __________ and the incident ray is called the angle of incidence.
(a) Surface
(b) Normal
(c) Tangent
(d) Reflected ray
Q3. Who invented the thermos flask?
(a) Ray Tomlinson
(b) Tim Berners-Lee
(c) William Cullen
(d) James Dewar
Q4. Friction is caused by the ______________ on the two surfaces in contact.
(a) Irregularities
(b) Smoothness
(c) Densities
(d) Gaps
Q5. The motion of a freely falling body is an example of ________________________ motion.
(a) Uniformly accelerated
(b) Non-uniformly accelerated
(c) Constant velocity
(d) Constant speed
Q6. The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its ___________.
(a) Crystallization
(b) Melting point
(c) Evaporation
(d) Galvanization
Q7. For an object, the state of rest is considered to be the state of ______ speed.
(a) Increasing
(b) Decreasing
(c) Inverse
(d) Zero
Q8. The laws which govern the motion of planets are called ___________________.
(a) Newton’s Laws
(b) Kepler’s Laws
(d) De Morgan’s Laws
Q9. Convex and concave mirrors are examples of ?
(a) Plane mirrors
(b) Spherical mirrors
(c) Inverted mirror
(d) Erect mirror
Q10.The frictional force exerted by fluids is also called ________.
(a) Drag
(b) Buoyancy
(c) Up thrust
(d) Convection
Solutions:
S1.Ans.(a)
Sol. A ball rolling along the ground gradually slows down and finally comes to rest is due to friction.
S2.Ans.(b)
Sol.The angle between the Normal and the incident ray is called the angle of incidence.
S3.Ans.(d)
Sol. James Dewar was inventor of the thermos flask.
S4. Ans.(a)
Sol.Friction is caused by the irregularities on the two surface in contact.
S5. Ans.(a)
Sol.In general, a uniformly accelerated motion is the one in which the acceleration of the particle throughout the motion is uniform due to the gravitational pull of the earth the body covers equal amount of velocity in equal intervals of time. The motion of a freely falling body is an example of Uniformly accelerated motion.
S6. Ans.(b)
Sol.The Melting point of a solid is the temperature at which it changes state from solid to liquid at atmospheric pressure.
S7.Ans.(d)
Sol. For an object, the state of rest is considered to be the state of zero speed.
S8.Ans.(b)
Sol. The laws which govern the motion of planets are called Kepler’s law of planetary motion.
S9.Ans.(b)
Sol. Concave and convex are two classes of spherical mirrors. A concave mirror is a spherical mirror in which the reflecting surface and the center of curvature fall on the same side of the mirror. On the other hand, a convex mirror is a spherical mirror in which the reflecting surface and the center of curvature lie on the opposite sides of the mirror.
S10.Ans.(a)
Sol.Drag is a kind of frictional force exerted by fluid which opposes the motion of an object through that fluid. Drag force acts in direction opposite to the direction of motion of the object.

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