BITSAT SERIES Physics
Kinematics
15 previous year questions.
Volume: 15 Ques
Yield: Medium
High-Yield Trend
1
2026 4
2025 1
2020 1
2019 1
2015 1
2013 1
2011 5
2009 Chapter Questions 15 MCQs
01
PYQ 2009
medium
physics ID: bitsat-2
When a mica sheet of thickness 7 microns and μ=1.6 is placed in the path of one of interfering beams in a biprism experiment then the central fringe gets at the position of seventh bright fringe. The wavelength of light used will be
1
4000 \AA
2
5000 \AA
3
6000 \AA
4
7000 \AA
02
PYQ 2009
medium
physics ID: bitsat-2
In Young's double slit experiment, if the slit widths are in the ratio 1:2, the ratio of the intensities at maxima will be
1
1 : 2
2
1 : 3
3
1 : 4
4
1 : 9
03
PYQ 2009
medium
physics ID: bitsat-2
In a photoelectric experiment, with light of wavelength λ, the fastest electron has speed v. If the exciting wavelength is changed to 3λ/4, the speed of the fastest emitted electron will become
1
√((3)/(4))v
2
√((4)/(3))v
3
less than √((4)/(3))v
4
greater than √((4)/(3))v
04
PYQ 2009
medium
physics ID: bitsat-2
Taking Rydberg’s constant RH=1.097×10⁷ m⁻¹, the first and second wavelength of Balmer series in hydrogen spectrum is
1
2000 \AA, 3000 \AA
2
1575 \AA, 2960 \AA
3
6529 \AA, 4280 \AA
4
6552 \AA, 4863 \AA
05
PYQ 2009
medium
physics ID: bitsat-2
An X-ray tube is operated at 15 kV. Calculate the upper limit of the speed of the electrons striking the target.
1
7.26×10⁷ m/s
2
7.62×10⁷ m/s
3
7.62×10⁹ m/s
4
7.26×10⁹ m/s
06
PYQ 2011
medium
physics ID: bitsat-2
A particle is moving in a straight line with initial velocity and uniform acceleration. If the sum of the distance travelled in tᵗᵉˣᵗᵗh and (t+1)ᵗᵉˣᵗᵗhˢᵗʳoⁿg> seconds is 100 cm, then its velocity after t seconds, in cm/s, is:
1
80
2
50
3
20
4
30
07
PYQ 2013
medium
physics ID: bitsat-2
A man runs at a speed of 4 m/s to overtake a standing bus. When he is 6 m behind the door at , the bus moves forward and continuous with a constant acceleration of 1.2 m/s². The man reaches the door in time t. Then,
1
2
3
4
08
PYQ 2015
medium
physics ID: bitsat-2
A body is thrown vertically upwards from point , the top of a tower, and reaches the ground in time . If it is thrown vertically downwards from with the same speed, it reaches the ground in time . If it is allowed to fall freely from , the time it takes to reach the ground is given by:
1
2
3
4
09
PYQ 2019
medium
physics ID: bitsat-2
A body is thrown vertically upwards from A, the top of a tower, and reaches the ground in time t₁. If it is thrown vertically downwards from A with the same speed, it reaches the ground in time t₂. If it is allowed to fall freely from A, then the time taken to reach the ground is
1
2
3
4
t = √((t₁)/(t₂))
10
PYQ 2020
medium
physics ID: bitsat-2
A frictionless wire AB is fixed on a sphere of radius R. A very small spherical ball rolls on this wire. The time taken by this ball to slip from A to B is: 
1
2
3
4
11
PYQ 2025
easy
physics ID: bitsat-2
A ball is thrown vertically upward with a speed of 49 m/s. How long will it take to return to the thrower’s hand?
1
5 s
2
7 s
3
10 s
4
14 s
12
PYQ 2025
easy
physics ID: bitsat-2
A car accelerates from rest to a speed of 20 m/s in 10 seconds. What is its acceleration?
1
2 m/s²
2
3 m/s²
3
4 m/s²
4
5 m/s²
13
PYQ 2025
easy
physics ID: bitsat-2
A particle starts from rest and accelerates uniformly at 4 m/s . What is the distance covered in the 5th second?
1
36 m
2
18 m
3
44 m
4
20 m
14
PYQ 2025
medium
physics ID: bitsat-2
A body starts from rest and moves with constant acceleration. If it covers a distance of in 4 seconds, then its acceleration is:
1
2
3
4
15
PYQ 2026
medium
physics ID: bitsat-2
An object of mass 5 kg is thrown vertically upwards from the ground. The air resistance produces a constant retarding force of 10 N throughout the motion. The ratio of time of ascent to the time of descent will be equal to: [Use ms ]
1
1 : 1
2
3
4
2 : 3