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Year 10 mocks revsion (gcse) > physics > Flashcards

physics Flashcards

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1
Q

waves with a short wavelength have?

A

high frequency and energy

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2
Q

waves with a long wavelengths have

A

low frequency and energy

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3
Q

name the electromagnetic spectrum in order

A

radio waves, microwaves, inferred, viable light, ultra violet, x-rays, gamma rays

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4
Q

what’s a transverse wave

A

particles vibrate at right angles

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5
Q

what’s a longitudinal wave

A

particles vibrate parallel to the direction of the wave

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6
Q

whats frequency

A

the number of waves passing a point

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7
Q

how to calculate speed?

A

speed = distance
———-
time

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8
Q

what’s the wave equation?

A

velocity = frequency x wavelength

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9
Q

how to calculate momentum

A

momentum = mass x velocity

kg = kg x m/s

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10
Q

what does P stand for in the triangle: p
m x v

A

momentum

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11
Q

give examples of breaking distance

A

size of car

wet roads

foggy weather

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12
Q

give examples of thinking distance

A

old age

mobile phone usage

drugs/ smoking

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13
Q

distance travelled=

A

average speed x time

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14
Q

acceleration =

A

final velocity(speed) - initial velocity
————————————————-
time ( s)

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15
Q

force=

A

mass(kg) x acceleration ( m/s ) ²

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16
Q

weight=

A

mass (kg) x gravitational field strength (N/kg)

17
Q

KE =

A

1/2 x m x v ²

18
Q

p =

A

m x v

19
Q

v=

A

distance
————
time

20
Q

what are the products of photosynthesis

A

glucose and oxygen

21
Q

give one reason why cells could be stained

A

concentrated salty solution would make it clearer

22
Q

explain why a cytoplasm shrinks when in salt solution

A

the sycophants shrink away because the salt solution is too strong therefore making the cell weaker1.

23
Q

write the balanced equation of HCL

A

H₂ + Cl₂ = 2HCL

24
Q

How do you calculate Rf value ?

A

compound distance
—————————-
solvent distance

eg . 2.3
———-
8. = 0/29

25
Q

vectors have size and …

A

distance

26
Q

scalers have only…

A

mass

27
Q

GPE=

A

m x g x h

Year 10 mocks revsion (gcse) (10 decks)

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