physics paper 1 c 1 august pdf

8/9/2019 Physics Paper 1 C 1 August PDF

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Augus1

printed pages.

Paper 1 Multiple ChoiceClass C2

This document consists of

[Turn

General Certificate of Education Ordinary Level

PHYSICS 50

Additional Materials: Multiple Choice Answer SheetSoft clean eraserSoft pencil (type B or HB is recommended)

READ THESE INSTRUCTIONS FIRST

Write in soft pencil.

Do not use staples, paper clips, highlighters, glue or correction fluid.Write your name, Centre number and candidate number on the Answer Sheet in the spaces prounless this has been done for you.

There are forty questions on this paper. Answerall questions. For each question there are four poanswers A, B, C and D.

Choose the one you consider correct and record your choice in soft pencil on the separate Answer S

Read the instructions on the Answer Sheet very carefully.

Each correct answer will score one mark. A mark will not be deducted for a wrong answer.

Any rough working should be done in this booklet.

UNIQUE SCIENCE ACADEMY


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1 The diagram shows a micrometer scale.

Which reading is shown?

A 5.64mm B 7.14mm C 7.16mm D 7.64mm

2 What must change when a body is accelerating?

A the force acting on the body

B the mass of the body

C the speed of the body

D the velocity of the body

3 A car driver takes a total of two hours to make a journey of 75 km. She has a coffee breaan hour and spends a quarter of an hour stationary in a traffic jam.

At what average speed must she travel during the rest of the time if she wants to compjourney in the two hours?

A 38km/h

B 50km/h

C 60km/h

D 75km/h

0 520

15

10

mm

4 In a laboratory on Earth, balances show that an object has a mass of 2kg and a weight of

The same balances and object are then taken to the Moon, where the gravitational field strless than on the Earth.

Are the mass and weight of the object the same, or less, than before?

mass weight

A less less

B less same

C same less

D same same


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A child tries to push over a large empty oil drum.

Where should the drum be pushed to topple it over with least force?

A ball is released from rest and rolls down a track from the position shown.

What is the furthest position the ball could reach?

ballstartshere

A

B

C

D

A B C D

7 A shop-keeper places two identical blocks of cheese on a set of scales and notices thcombined mass is 240 g. Each block measures 2.0cm x 5.0cm x 10.0cm.

What is the density of the cheese?

A 0.42g/cm3 B 0.83 g / cm3 C 1.2g/cm3 D 2.4g/cm3

g


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Which object will experience an elastic deformation?

A a car damaged in a collision

B a football being kicked

C a log hit by an axe

Da target hit by an arrow

In a hydroelectric power station, water from a reservoir falls down a large pipe before enterturbines. The turbines then turn the generator.

What is the overall energy conversion?

A kinetic energy into chemical energy

B kinetic energy into electrical energy

C potential energy into chemical energy

D potential energy into electrical energy

When a 300N force is applied to a box weighing 600N, the box moves 3.0m horizontally in

300N

600N

3.0m

What is the average power?

A 45W B 90W C 900W D 1800W

The diagrams show a spring having a length of 9 cm when loaded with a 100 g mass, aextension-mass graph for the spring.

100g

9 cm

3

2

1

0

0 100 200 300

mass/g

extension/cm

What is the length of the spring after the 100g mass has been removed?

A 7cm B 8cm C 9cm D 10cm


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5

Which type of energy is converted to thermal energy when atoms combine?

A chemical

B kinetic

C nuclear

D solar

A sledge of mass 25kg is pulled across level ground with a horizontal force of 60N. The coforce of friction is 20N.

What is the acceleration of the sledge?

A 0.63m/s2 B 1.6m/s2 C 2.4m/s2 D 3.2m/s2

The mass and density of four objects are given in the table.

Which object has the largest volume?

3

m/kg

densitymass/kg

A 200 0.6

B 400 1.0

C 1000 2.0

D 1500 3.0

A uniform beam is balanced at its midpoint. An object is placed on the beam as shown

diagram.

30cm

60N

Which force will rebalance the system?

A 30N acting upwards, 60cm to the right of the midpoint

B 30N acting upwards, 60cm to the left of the midpoint

C 45N acting downwards, 45cm to the right of the midpoint

D 90N acting downwards, 20 cm to the left of the midpoint


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A ball is dropped from a height as shown.

3

2

1

ball

Ignoring the effects of air resistance, the total energy is

A greatest at point 1.

B greatest at point 2.

C greatest at point 3.

D the same at all points.

A 300 N force is applied to a box in the direction XY in order to move it up a ramp

dimensions shown.

300N

5m

4m

3m

X

Y

How much work is done when moving the box from X to Y?

A 900J B 1200J C 1500J D 3000J


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The graph shows part of a car journey.

0 10 20 30

20

10

0

time/s

speed

in m/s

What distance is travelled by the car in the first 20s?

A100m

B200m

C300m

D400m

The diagram shows a lorry.

What is the best position for its centre of gravity and why is it placed there?

best position reason for the position

A as high as possible the lorry can accelerate more rapidly

B as high as possible the lorry is more stable

C as low as possible the lorry can accelerate more rapidly

D as low as possible the lorry is more stable

A body moving with a speed of 30m/s has a kinetic energy of 1800J.

What is its mass?

A 120kg B 60kg C 4kg D 2kg


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The diagrams show the same spring with different weights attached.

10

20

30

40

50

cm

15N

10

20

30

40

50

cm

30N

When the weights are removed, the spring returns to its original length.

What is the original length of the spring?


The diagrams show some effects which are all due to the same cause.

What causes these effects?

A friction

B heat

C mass

D weight

a parachutistreaching terminal velocity

a meteor glowing as itfalls through theatmosphere

brakes slowing downa bicycle


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A body is moving in a circle at a constant speed.

Which of the following statements about the body is true?

A There is no acceleration.

B There is a force acting at a tangent to the circle.

C There is a force acting away from the centre of the circle.

D There is a force acting towards the centre of the circle.

A block of mass 2 kg slides from rest through a distance of 20 m down a frictionless sloshown.

What is the kinetic energy of the block at the bottom of the slope?

[The acceleration of free fall is 10 m/s2.]

A20 J

B40 J

C200J

D400J

10m

20m

A man weighs 600N. He runs up stairs of total height 4 metres in 3 seconds.

How much power is exerted by the man?

A 450W B 800W C 2400W D 7200W

Which of the following does not affect the pressure beneath the surface of a liquid?

A area of the liquid surface

B density of the liquid

C depth of the liquid

D strength of the gravitational field


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27 A manometer is connected to a gas supply.

Pressure can be measured in cm of water.

What is the pressure of the gas?

A 8 cm of water more than atmospheric pressure

B 12 cm of water more than atmospheric pressure

C 8 cm of water less than atmospheric pressure

D 12 cm of water less than atmospheric pressure

water

connected to

gas supply

8 cm

4 cm

air

The diagram shows a cyclist leaning over in order to cycle around a corner.Which force is necessary to maintain the motion around the corner?

B

C

cyclist

A

D


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A box X full of large granite rocks is weighed. An identical box Y full of small granite chippthen weighed.

Which box weighs more and why?

large granite rocks small granite chippings

X Y

A

B

C

D

X

X

Y

Y

there is more air in box X

the density of a chipping is less than a rock

there is less air in box Y

the density of a chipping is greater than a rock

heavier box reason

The diagrams show, to the same scale, the vertical sections of a set of circular vesselscontaining the same depth of water.

Which one of the following statements is correct?

A The water exerts the greatest pressure on the base of vessel P.

B The water exerts the greatest pressure on the base of vessel S.

C The water exerts the same force on the base of each vessel.

D The water exerts the same pressure on the base of each vessel.

P Q R S


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A girl uses paper-clips to balance a toy bird on her finger as shown.

toy bird

paper-clips

What is the effect of the paper-clips?

A They help to raise the centre of mass above her finger.

B They help to raise the centre of mass to her finger.

C They help to lower the centre of mass below her finger.

D They do not affect the centre of mass but increase the weight.

A spring extends by 4 cm when 10 N is suspended from it. Two of these springs are ushown to carry a 30N load.

30N

What is the extension of each spring?


Hydroelectric, tidal and fossil fuels are three sources of energy.

Which of these are renewable energy sources?

hydroelectric tidal fossil fuels

A no yes yes

B no no yes

C yes no no

D yes yes no


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How much energy would be released if 1 1020kg of matter was entirely converted to ener

(The speed of light is 3 108m/s.)

A 3 1012J B 9 107J C 4.5 104J D 9 104J

The diagrams show a simple mercury barometer.

Which diagram shows the distance to be measured to find atmospheric pressure?

A B C D

A water manometer is connected to a gas supply. The diagram shows the water levels.

water

gassupply

The water is replaced by mercury, which is more dense than water.

Which diagram shows the mercury levels when the manometer is connected to the samsupply?

A B C


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37

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The diagram shows a boy of weight 500N sitting on a see-saw. He sits 2.0m from the pivot

F

4.0 m 2.0 m

500N

What is the force Fneeded to balance the see-saw?

A 250N B 750N C 1000N D 3000N

A spring balance is calibrated to give readings in newtons.

The graph shows how the length of the spring varies with the load.

7

6

5

4

3

2

1

0

length of

spring/cm

load/N

0 5 10 15 20

A load causes the spring of the balance to extend by 3cm.

What is the balance reading?

A 3N B 5N C 10N D 15N


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39 A rock climber of weight 600N climbs up a rock face of vertical height 300m in 3600s.

What is the average power she generates against gravity during this time?

A 0.020W B 50W C 1800W D 7200W

The diagram shows a simple manometer.

R

S

X Y h

Side X is connected to a gas supply. Side Y is open to the atmosphere.

What pressure is the length h used to measure?

A the atmospheric pressure S

B the difference between the gas pressure R and the atmospheric pressure S

C the gas pressure R

D the sum of the gas pressure R and the atmospheric pressure S

physics paper 1 c 1 august pdf

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