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WorksheetsFirst Term Sample Exam Class IX PHY/CHEM
Total questions: 40
Worksheet time: 26mins
What is as Alloy like Bronze considered as:
Homogeneous Mixture
Heterogeneous MIxture
Element
Compound
Which of the following is not true about a Solution?
It is a homogeneous mixture
the particle size is <=1 nm
Solute cannot be separated by filtration
Shows Tyndall Effect
How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25°C), which are miscible with each other?
Simple Distillation
Sedimentation
Sublimation
Filtration
Centrtifugation is the technique to separate:
Butter from curd
Salt from sea water
Camphor from salt
None of the above
Which of the following is not a pure substance?
Sugar
Common Salt
Coal
Rubber
Ammonium chloride can be separated from a mixture containing sodium chloride and ammonium chloride using:
Distillation
Chromatography
Sublimation
Decantation
31 gm of Potassium Chloride is mixed with water to get a 50 gm Solution. It's concentration is:
62 %
64 %
15.5 %
31%
Sugar was added to water at 373 K. If the temperature is reduced to 173 K, what effect will it have on its solubility:
Solubility decreases
Solubility increases
Solubility remains the same
None of the above
Which of the following will show "Tyndall effect"?
Salt solution
Milk
Copper sulphate solution
Starch solution
Pb is the chemical symbol for which element?
Tin
Iron
Lead
Zinc
Smoke is an example of:
Solution
Aerosol
Foam
Emulsion
Drugs from the blood can be separated by:
Chromatography
Distillation
Decantation
Centrifugation
Which of the following is not a compound:
Sulphur Dioxide
Chalk
Lead
Sulphuric Acid
1 km/h in m/s is:
18/5 m/s
5/18 m/s
5/36 m/s
20/36 m/s
A Man, walking on a circular track of radius 7m, returns to his starting location, his displacement and distance travelled will be:
0, 44 m
44 m , 0
both 0
None of these
Find the acceleration on the body:
20 m/s2
10 m/s2
5 m/s2
No acceleration
What does the given graph show?
Uniform velocity
Uniform acceleration
Retardation
Body at rest
In a velocity time graph, the slope and the area under the curve respectively give:
Distance, Acceleration
Velocity, DIstance
Acceleration, Distance
Velocity, Acceleration
A car travelling with a speed of 20 m/s is brought to rest in 5 seconds, find the acceleration acting on the car.
4 m/s2
-4 m/s2
-4 m/s
4 m/s
Given graph shows:
Body at rest
Uniform acceleration
Uniform Retardation
Uniform Velocity
The acceleration time graph of a body is shown, which of the given velocity time graphs are of the same body:
Which of the three bodies A,B and C is traveling the fastest?
A
B
C
None of these
For a moving body, which of the following is true?
distance = displacement
distance < = displacement
distance > = displacement
None of these
What does the odometer of a car measure
Speed
Acceleration
Distance
Time
A body moving with a uniform speed has acceleration acting on it. The motion is:
Linear
Zig Zag
Irrergular
Circular
A body starting from rest is acted upon by an acceleration of 5 m/s2. Find the distance travelled in 10 seconds.
500 m
1000 m
50 m
100 m
Which of the following changes when going to moon?
Mass
Volume
Weight
All of these
What is the CGS Unit of Force?
Newton
Dyne
Pascal
None of these
Which of the following is the measure of inertia of any object?
Volume
Force
Friction
Mass
A body is accelerated only if it is acted upon by :
Balanced Force
Unbalanced force
All of these
None of these
Name the physical quantity associated with kg m /s
Impulse
Momentum
Force
Pressure
A body of mass 2 Kg is acted upon by a force of 2 N. The acceleration of the body is:
1 m/s2
10 m/s2
0.1 m/s2
None of these
If action and reaction forces were to act on the same body:
The resultant would be zero
The body would not move at all
both are correct
None of these is correct
Walking is possible on account of:
First law of motion
Second law of motion
Third law of motion
None of these
When a bullet is fired from a gun, which of the following remains the same for the bullet and the gun?
Mass
Speed
Momentum
None of these
A body having mass 1 Kg moving with the initial speed of 10 m/s is accelerated to 20 m/s in 10 s. Find the Force acting on the body.
1 N
10 N
- 10 N
-1 N
The velocity-time graph of a ball of mass 20 Kg moving along a straight line on a long table is given in the figure. How much force does the table exert on the ball to bring it to rest?
40 N
- 40 N
400 N
- 400 N
Which of the following equations holds for the law of conservation of momentum
mA uA + mA vA = mA uB + mB vB
mA uA + mB uB = mA vA + mB vB
mA vA + mB uB = mA uA + mB vB
mA uA + mB uA = mA vB + mB vB
A ball of mass 10 kg is horizontally fired with a velocity 100 m/s from a Canon of mass 1000 kg. What is the recoil velocity of the pistol?
1 m/s
-1 m/s
0.001 m/s
- 0.001 m/s
What is the momentum of an object of mass m, moving with a velocity v?
(mv) 2
mv2
mv
1/2 mv2
