Great big A2 Physics Quiz

Question 1

Ultrasound frequencies for medical purposes are typically of order

Accepted Answer

MHz

Question 2

Individual (but different value) capacitors in parallel have

Accepted Answer

A higher total capacitance, The same voltage across them

Question 3

Which one of these would you use for baby scan images?

Accepted Answer

Ultrasound B scan

Question 4

See Image...

Accepted Answer

B

Question 5

Decay constant (of a radioactive isotope): The _______________ per unit time

Accepted Answer

probability of the decay of a nucleus

Question 6

See Image...

Accepted Answer

C

Question 7

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Accepted Answer

A

Question 8

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Accepted Answer

A

Question 9

From the BE per nucleon curve, Nickel 62...

Accepted Answer

has the most strongly bound nucleus

Question 10

See Image...

Accepted Answer

D

Question 11

RMS (of an alternating voltage): The value of a _______________ as the alternating voltage

Accepted Answer

constant voltage that produces the same power in a resistor

Question 12

Internal energy: The _______________ due to the random distribution

Accepted Answer

sum of kinetic and potential energy of molecules

Question 13

Which is a likely distance to a galaxy?

Accepted Answer

10 Mpc

Question 14

See Image...

Accepted Answer

A

Question 15

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Accepted Answer

B

Question 16

Newton's law of gravitation: Force is proportional to the product of the 2 masses and .....

Accepted Answer

inversely proportional to the square of their separation

Question 17

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Accepted Answer

A

Question 18

Faraday’s law of EM induction: The induced e.m.f is proportional to .....

Accepted Answer

the rate of change of magnetic flux linkage

Question 19

Attenuation (of a signal): ____________ of the signal

Accepted Answer

A reduction in the power

Question 20

See Image...

Accepted Answer

B

Question 21

See Image...

Accepted Answer

D

Question 22

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Accepted Answer

D

Question 23

Supergiant stars have surfaces which, compared to their main sequence life,

Accepted Answer

can drift off as planetary nebulae, are more luminous but cooler

Question 24

Two isotopes have the

Accepted Answer

Same Z

Question 25

See Image...

Accepted Answer

C

Question 26

Photon: A _______________ of electromagnetic radiation

Accepted Answer

quantum of energy

Question 27

See Image...

Accepted Answer

D

Question 28

SHM: The acceleration is _______________ and is always directed towards the fixed point.

Accepted Answer

directly proportional to the displacement from fixed point

Question 29

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Accepted Answer

C

Question 30

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Accepted Answer

D

Question 31

To calculate the decay constant from the half-life you must multiply by the half-life by

Accepted Answer

(ln 2)-1 = 1.44

Question 32

Electric potential (at a point): The work done moving .....

Accepted Answer

a unit positive charge from infinity to that point

Question 33

See Image...

Accepted Answer

C

Question 34

Two of these increase the amount of EMF you get from a coil passing through a magnetic field

Accepted Answer

Increase the number of coils, Move the coil faster

Question 35

Which particle was concluded to exist due to beta decay?

Accepted Answer

Neutrino

Question 36

Capacitance: The ratio of .....

Accepted Answer

the charge on a body and its potential difference

Question 37

See Image...

Accepted Answer

B

Question 38

See Image...

Accepted Answer

C

Great big A2 Physics Quiz

Questions 38

Great big A2 Physics Quiz

Questions 38