PHY101 Solved MCQs Mega File

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PHY101 Solved MCQs Mega File

We made this website for all virtual students' help by providing PHY101 Solved MCQs Mega File, PHY101 Solved Quiz, PHY101 Assignment Solution, PHY101 Past Papers, PHY101 Midterm Past Papers, PHY101 Final Term Past Papers, PHY101  GDB Solution, and all other books solutions. Also, Read MGT101 Solved MCQs.

 

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8	As the wavelength of a wave in a uniform medium increases, its frequency will _____.	Decrease
9	A bullet shot straight up returns to its starting point in 10 sec. the initial speed was:	49 m/s
11	Young’s modulus is a proportionality constant that relates the force per unit area applied perpendicularly at the surface of an object to:	the fractional change in length
12	A ball is thrown upward into the air with a speed that is greater than terminal speed. It lands at the place where it was thrown. During its flight the force of air resistance is the greatest:	at the top of its trajectory
13	A sphere of the moment on inertia I roll down an inclined plane without slipping. The ratio of the rotational kinetic energy to the transitional kinetic energy is near:	5/7
14	The persistence of audible sound due to the successive reflections from the surrounding objects even after the source has stopped to produce that sound is called	Reverberation
15	A municipal water supply is provided by a tall water tower. Water from this tower flows to a building. How does the water flow out of a faucet on the ground floor of a building compare with the water flow out of an identical faucet on the second floor of the building?	Water flows more rapidly out of the ground-floor faucet.
16	An elastic collision is one in which:	kinetic energy and momentum are both conserved
17	The ultimate strength of a sample is the stress at which the sample	Breaks/ returns to its original shape when the stress is removed
18	The dot product of vector A with itself is equal to:	A^2
19	A heavy particle moving with 5 m/s suffers an elastic collision with a light particle at rest. After the collision, the velocity of light particle will be:	5 m/s
20	Young’s modulus can be correctly given in:	N/m2
21	A net torque applied to a rigid object always tends to produce:	angular acceleration
23	The velocity-time graph is parallel to the time axis the acceleration of moving body is:	zero
24	What is the angle of projection of projectile, for which its maximum height and horizontal range are equal?	76
25	A particle
26	The  dimensional units of the ratio of work and power is:	T
27	The magnitude of the acceleration on the planet in orbit around the Sun is proportional to.	the mass of the Sun
28	A Prosonic wave I gent from @ ship towards the bottom of the sea. N is found that the time interval between the sending and receiving of the wave is 1.6 5. What is the depth of the sea. if the velocity of sound in the seawater is	1120m
29	Water flows into © house at e velocity of 15 m/s through a pipe that has 9 radii of 0.40 m. The water then flows through a smaller pipe at a velocity of 45 m/s. What is the radius of the smuttier pipe?	0.23m
30	A mosquito’s buzz is often rated with a decibel rating of 40 dB. Normal conversation is often rated at 60 dB. How many times more intense is normal conversation compared to 6 mosquito's buzz?	20
31	People try to keep the... over their feet. in order to feel stable.	center of gravity
32	If force is applied at the center of mass then torque is.	Zero
33	As the wavelength of a wave in a uniform medium increases. its speed will	Decrease
34	For an ideal fluid flowing through a horizontal pipe, Bernoulli's equation state that the sum of the pressure and energy per unit volume along the pipe does which of the following?	Remains constant as the pipe diameter increases
35	Which of the following statement is true?	Weight is a force, mass is a measure of inertia
36	A/an ----------  is the basic reason to change in the motion of an object according to Newton’s second law of motion.	Net force
37	When spring is compressed  or stretched, the potential energy of spring	Increase
38	The ultimate strength of a sample is the stress in which the sample:	Breaks
39	The value of k in coulomb’s law depends upon:	Medium between two charges
40	The law of inertia was firstly formulated by	Newton
41	The ratio of the circumference of a circle to its diameter is equal to:	Pi
42	A water bed that is 1.5 m wide and 2.5 m long weighs 1055 N. assuming the entire lower surface of the bed in contact with the floor, what is the pressure the bed exerts on the floor?	280 pa
43	The center of gravity is the average location of the …….. of an object	Weight
44	Acceleration in a body is always produced in the direction of	Force
45	As per coulomb’s law, the force of attraction or repulsion between two-point charge directly proportional to the	Product os the magnitude of charges
46	One revolution is the same as:	2pi rad
47	A -------------- vector is obtained by dividing the vector by its magnitude:	Unit
48	Take the speed of the sound to be 340m/s. A thunderclap is heard about 3 s after the lightning is seen. The source of both light and sound is:	About 1000m away
49	The fundamental dimensions of angular momentum are :	ML2T-1
50	The approximate value of get an altitude above Earth equal to one Earth diameter is:	4.9m/s2
51	If the speed of sound is 340m/s a plane flying at 400rm/s creates @ conical shock wave with an  apex half-angle of:	Zero
52	If the distance between all pairs of particulars of the body do not change by applying a force that a body is said to be	Rigid