Physics Questions For CTET Exam 2019: 24th April 2019 (Solutions)_00.1
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Physics Questions For CTET Exam 2019: 24th April 2019 (Solutions)

Physics Questions For CTET Exam 2019: 24th April 2019 (Solutions)_40.1

Q1. One kilowatt hour is equal to  

(a) 3600000 joule 
(b) 3 × 10³ joule 
(c) 10 joule 
(d) None of the above
Q2.Pressure is a scalar quantity because 
(a) it is the ratio of force to area and both force and area are vectors 
(b) it is the ratio of magnitude of force to area 
(c) it is the ratio of component of force (normal to area) to area 
(d) none of the above 
Q3.The free fall acceleration g increases as one proceeds, at sea level, from the equator toward either pole. The reason is 
(a) Earth is a sphere with same density everywhere 
(b) Earth is a sphere with different density at the polar regions than in the equatorial regions 
(c) Earth is approximately an ellipsoid having its equatorial radius greater than its polar radius by 21 km 
(d) Earth is approximately an ellipsoid having its equatorial radius smaller than its polar by 21 km 
Q4.Which one of the following statements is correct? 
(a)  The measurment of mass taken by a spring weighing balance is correct at the place where the spring balance is calibrated for 
(b)  The measurment of mass taken by a spring weighing balance is correct at all places 
(c)  The measurment of mass taken by a spring weighing balance is correct at the places where the acceleration due to gravity is same with the place where the spring balance is calibrated for 
(d)  A spring balance cannot be used to measure mass at a any place 
Q5.Which one of the following is not a contact force? 
(a) Push force 
(b) Gravitational force 
(c) Frictional force 
(d) Strain force 
Q6.When a force of 1 newton acts on a mass of 1 kg which is able to move freely, the object moves in the direction of force with a/an 
Physics Questions For CTET Exam 2019: 24th April 2019 (Solutions)_50.1
Q7.Along a streamline flow of fluid 
(a) the velocity of all fluid particles at a given instant is constant 
(b) the speed of fluid particle remains constant 
(c) the velocity of all fluid particles crossing a given position is constant 
(d) the velocity of a fluid particle remains constant 
Q8.How is the kinetic energy of a moving object affected if the net work done on it is positive? 
(a) Decrease 
(b) Increases 
(c) Remains constant 
(d) Becomes zero 
Q9.If we plot a graph between volume V and inverse of pressure P(i.e.1/2)   for an ideal gas at constant temperature T, the curve so obtained is 
(a) straight line 
(b) circle 
(c) parabola 
(d) hyperbola 
Q10.A particle executes linear simple harmonic motion with amplitude of 2 cm. when the particle is at 1 cm from the mean position, the magnitudes of the velocity and the acceleration are equal. Then its time period (in second) is 
(a) 2π/√3
(b) √3/2π
(c) √3/π
(d) 1/(2π√3)

Solutions:



S1. Ans.(b)   
Sol. One kilowatt hour is 3600000 joules. 
S2. Ans.(c)   
Sol.Pressure is magnitude of force normal to the area. 
S3. Ans.(c)   
Sol.
S4. Ans.(d)   
Sol.
S5. Ans.(b)   
Sol.Gravitational force is an imaginary force pulling everything towards the earth surface without any contact to the object.  
S6. Ans.(b)   
Sol.
Force (F) = Mass (m) × acceleration (a) 
acceleration (a) = Force (F)/Mass (m)
= 1 newton/1 kg = 1 m/s²
S7. Ans.(c)   
Sol.
S8. Ans.(b)   
Sol.
S9. Ans.(a)   
Sol.
Physics Questions For CTET Exam 2019: 24th April 2019 (Solutions)_60.1
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