stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
IGCSE Physics Revision 16/21 Flashcards | StudBud
Explore
/
IGCSE Physics Revision 16/21
IGCSE Physics Revision 16/21
20 terms
·
StudBud Administration
·
219 plays
Past Paper questions from IGCSE Physics exam
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
The diagram shows a lamp in a circuit. Which change to the circuit would increase the current?
adding another resistor in parallel with the one there
moving the lamp to point P in the circuit
decreasing the e.m.f. of the battery in the circuit
adding another resistor in series
2
Which diagram shows the magnitude and direction of the resultant R of the two forces F1 and F2?
A
B
D
C
3
An object travels in a circular path at constant speed. Which statement is correct?
The object has changing kinetic energy.
The object has constant velocity.
The object is not accelerating.
The object has changing momentum.
4
Density of water is 1000 kg /m
3
. What is the pressure at the base of the dam due to water?
154Pa
15.4Pa
65 000Pa
650 000Pa
5
Which diagram represents the sound with the highest pitch? All are drawn to the same scale.
A
D
B
C
6
How much energy is transferred by the lamp in 2.0 minutes? lamp resistance 3.0Ω
96 J
5760 J
48 J
2880 J
7
Which object emits infra-red radiation at the greatest rate?
B
D
C
A
8
Which pair of changes must increase the amount of diffraction that occurs?
decrease the wavelength and decrease the size of the gap
decrease the wavelength and increase the size of the gap
increase the wavelength and decrease the size of the gap
increase the wavelength and increase the size of the gap
9
A lamp has a power input of 5.0W. It wastes 1.0W of power. What is the efficiency of the lamp?
20%
50%
120%
80%
10
Which logic Gate is represented by this truth table?
AND
NAND
NOR
OR
11
What is the speed of light in the glass?
4.5 × 108 m / s
1.8 × 108 m / s
5.0 × 108 m / s
2.0 × 108 m / s
12
They're eight different energy resources below. How many energy resources are renewable?
4
6
3
5
13
During evaporation which row describes the escaping molecules and the change in temperature?
A
D
C
B
14
Below are 3 suggested methods for demagnetising a piece of steel. Which will work
1, 2 and 3
3 only
1 only
2 only
15
Which graph shows the acceleration of a stone as it falls freely from the top of a cliff?
D
A
B
C
16
Which row states the nature of plane mirror and magnifying glass images?
B
C
D
A
17
Which wave property causes echoes?
reflection
diffraction
refraction
dispersion
18
What is the combined resistance of all three resistors?
24Ω
15Ω
10Ω
8.0Ω
19
Radiation from which part of the em spectrum is used in the remote controller for a tv?
radio waves
ultraviolet waves
microwaves
infra-red waves
20
Which row shows the effect that a relay uses and one application of a relay?
D
C
A
B
