Worksheets11th- JULY MONTHLY TEST ONE MARK
Total questions: 20
Worksheet time: 10mins
If π = 3.14, then the value of π2
a)9.8596
b)9.860
C)9.86
d)9.9
Which of the following pairs of physical
quantities have the same dimensions
a) force and power
b) torque and energy
c) torque and power
d) force and torque
One of the combinations from the
fundamental physical constants is hc/G the unit of this expression is
a)kg2
b)kg
C)m
d)m3
The length of a body is measured as 3.51
m, if the accuracy is 0.01m, then the
percentage error in the measurement is
a)351%
b)1%
c)0.28%
d)0.035%
The velocity of a particle v at an instant t
is given by v =at+bt2 the dimensions of b is
a)[L]
b)[LT-1]
C)[LT-2]
d)[LT-3]
If the length and time period of an
oscillating pendulum have errors of
1% and 3% respectively then the error
in measurement of acceleration due to gravity is
a)4%
b)5%
c)6%
d)7%
The density of a material in CGS system
of units is 4 g cm-3 . In a system of units
in which unit of length is 10 cm and
unit of mass is 100 g, then the value of density of material will be
a)0.04
b)0.4
c)40
d)400
The refractive index is an example of----
a) dimensional variables
b) dimensionaless variables
c) dimensional constant
d) dimensionaless constant
The unit of planks constant is
a) Jm
b)Ns
c)Js
d)Nm
The given below physical quantity which is base quantity?
a)mass
b)time
c) length
d)all the above
Which one of the following physical
quantities cannot be represented by a
scalar?
a)mass
b) length
c) momentum
d) magnitude of acceleration
If a particle has negative velocity and
negative acceleration, its speed
a) increases
b) decreases
C) remain the same
d) zero
If an object is dropped from the top of
If a building and it reaches the ground at t
= 4 s, then the height of the building is
(ignoring air resistance) (g = 9.8 ms–2)
a)77.3m
b)78.4m
c)80.5m
d)79.2m
If one object is dropped vertically
downward and another object is thrown
horizontally from the same height, then
the ratio of vertical distance covered by
both objects at any instant is
a)1
b)2
c)4
d)0.5
If a particle executes uniform circular
motion in the xy plane in clock wise
direction, then the angular velocity is in
a)+y direction
b)+z direction
c)-z direction
d)-x direction
An object is dropped in an unknown
planet from height 50 m, it reaches the
ground in 2 s. The acceleration due to
gravity in this unknown planet is
a)g=20 ms-2
b)g=25ms-2
c)g=15ms-2
d)g=30ms-2
The momentum p=-----?
a)ms
b)mv
c)mg
d)mN
The first equation of motion is---
a)v=at
b)u=gt
c)v=ht
d)v=u+at
The unit of acceleration is-----?
a)ms
b)Nm
c)Js
d)ms-2
Integration is an ------finding process.
a) volume
b) length
c)area
d)mass
