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physics 10.3

Total questions: 69

Worksheet time: 36mins

Name
Class
Date
1.

Hertz' birthdate and place #mayhandaanba

a)

January 1, 1894 in Bonn

b)

February 22, 1857 in Hamburg

2.

Hertz' death #rip

a)

January 1, 1894 in Bonn

b)

February 22, 1857 in Hamburg

3.

it took a year after Hertz' death when they discovered the higher-energy light in EM spectrum

a)

korique k jn

b)

mali k ghorl bbm k noh, ndi k marunong mang fucked check

4.

demonstrated the existence of the waves by producing radio waves in his laboratory

a)

Heinrich Flores

b)

Hello-Halo

c)

Heinrich Rudolf Hertz

d)

Rudolf the red nosed reindeer

5.

Hertz detected the waves with his

a)

huy bad yn

b)

copper wire reciever

c)

kutsara

d)

silver wire reciever

6.

predicted that the oscillating charges produced the EM waves.

a)

James Clerk Maxwell

b)

James Reid

c)

James bakit mo ako iniwan

d)

James bakit mo parin ako iniwan as a bbm

7.

a result of vibrations between an electric field and a magnetic field

a)

electromagnetic spectrum

b)

electromagnetic waves

c)

pagmamahalan natin

d)

electromagnetic radiation

8.

EM waves travel at a constant velocity of

a)

9.89.8  m/s

b)

3.00 ⋅ 108 3.00\ \cdot\ 10^8\  m/s

9.

EM waves can be deflected by the electric or magnetic field; however, they are NOT capable of showing interference or diffraction.

a)

apologist k ghorl (ndi marunong mag-fact check = false)

b)

unfalse saur tru

10.

the range of all types of EM radiation; extends from the longest wavelengths of radio waves up to the high frequencies of gamma rays.

a)

electromagnetic radiation

b)

electromagnetic waves

c)

EMe m sci

d)

electromagnetic spectrum

11.

choose which of these are an example of optical devices (ung nka caps ang tingnan nio)

a)

CAMERA ,, wla camera lg cia

b)

ang labo n cguro ng EYES m haha

c)

mag-MAGNIFYING GLASS pra nmn makita m n ang aking halaga hahaha

d)

bka gusto m TELESCOPE pra kita m ang iyong halaga owshiii~

e)

MICROSCOPE kc jn m lg makikita ang #tunay n kulay q

12.

energy that travels and spreads out as it goes.

a)

pagmamahal q sau

b)

utot

c)

radiation

d)

galit q sau

13.

the correct order of the EM spectrum

a)

radio waves - infrared light - microwaves - visible light - UV rays - gamma rays - x-rays

b)

radio waves - microwaves - infrared light - visible light - UV rays - x-rays - gamma rays

14.

radiation is the process of emitting energy by any of these 2 carriers

a)

tubig at langis

b)

particles and/or waves

c)

protons and/or neutrons

15.

make lasers to use in everything from surgery, to CD players to laser pointers.

a)

infrared light

b)

radio waves

c)

visible light

16.

used in standard broadcast radio and television, shortwave radio, navigation and air-traffic control, cellular telephony, and even remote-controlled toys.

a)

laser

b)

infrared light

c)

radio waves

17.

Type of EM Spectrum that are more penetrating, in matter, and can damage living cells to a great extent.

a)

x-rays

b)

gamma rays

c)

ultraviolet rays

18.

James Clerk Maxwell was buried in his hometown of Hamburg, in the Ohlsdorf Cemetery.

a)

true

b)

false

c)

rip po pwede p b pa-sugal

19.

Exposure to this can cause premature aging of the skin and signs of sun damage.

a)

em spectrum

b)

gamma rays

c)

ultraviolet rays

20.

electrical heaters, cookers for cooking food, short-range communications like remote controls, optical fibres, security systems and thermal imaging cameras

a)

infrared

b)

radio waves

c)

microwaves

21.

ultraviolet rays are transmitted easily through air

a)

true

b)

mali

c)

maybe

d)

ckret bka malaman m

22.

energy produced by nuclear reactions at the core of the sun.

a)

electromagnetic radiation

b)

ionizing radiation

c)

vice ganda

23.

can be used to kill microbes

a)

baygon malamang

b)

dr. s. wong's sulfur soap

c)

dasal

d)

ultraviolet rays

24.

produces an image on a metal film when they come in contact with our body tissues.

a)

gamma rays

b)

microwaves

c)

polaroid

d)

x-ray

25.

ionizing radiation can create electrically charged ions in the materials it strikes.

a)

true

b)

ndi q alm bhla k jn

c)

can't decide poide po b ikaw nlg

d)

mali

26.

Radiation damage to tissue and/or organs depends on the dose of radiation received, or the absorbed dose which is expressed in a unit called

a)

blue (H20)

b)

wlng connect poh

c)

Sievert (Sv)

d)

Gray (Gy)

27.

Cases of exposure to high levels of radiation and become more severe as the exposure increases.

a)

non-stochastic effects

b)

stochastic effects

c)

scholarstic effects

28.

a reflective surface that bounces off light, thus producing a real or virtual image.

a)

boomerang

b)

images

c)

mirror

d)

picture

29.

(additional lg)

1sv=1gy

1 Sv is equal to 1 Gy multiplied by a relative biological effective factor

a)

oki ty p

b)

mikha crush n kita

c)

labyu

30.

the most powerful kind of explosion known in the universe

a)

big bang explosion

b)

one direction

c)

gamma-ray burst

d)

deadline ng projects

31.

a representation of an object produced by means of radiation usually with a lens or mirror system.

a)

boomerang

b)

image

c)

mirror

d)

picture

32.

cause water and fat molecules to vibrate, which makes the substances hot.

a)

microwaves

b)

oven

c)

infrared light

d)

x-rays

33.

The _______  is the unit of effective dose that takes into account the type of radiation and sensitivity of tissues and organs.

a)

Blue (H20)

b)

wlng connect poh

c)

Sievert (Sv)

d)

Gray (Gy)

34.

light rays do not actually meet at the image, but because the project light rays backward, we are tricked into seeing and image that is erect or right side up (upright).

a)

real images

b)

virtual images

35.

With long-term, low-level exposure to radiation

a)

non-stochastic effects

b)

stochastic effects

c)

superstix effects

36.

light rays actually intersect at the image, making them appear upside down or inverted.

a)

virtual images

b)

real images

c)

nesfruta

d)

pagmamahal q

37.

16.

a)

image

b)

object

c)

mirror

d)

image distance

e)

object distance

38.

two types of mirrors

a)

concave and convex

b)

plane and spherical

c)

jack and ruby

d)

teks at jolens

39.

17.

a)

image

b)

object

c)

mirror

d)

image distance

e)

object distance

40.

consists of flat, 2D surface that reflects the light coming from or reflecting off another object.

a)

plane mirrors

b)

concave mirrors

c)

spherical mirrors

d)

convex mirrors

41.

18.

a)

image

b)

object

c)

mirror

d)

image distance

e)

object distance

42.

19.

a)

image

b)

object

c)

mirror

d)

image distance

e)

object distance

43.

when light rays strike plane mirrors, they obey the law of plane mirrors:

a)

"the image is never the same behind the mirror as the object in front of the mirror."

b)

"the image is always the same in front of the mirror as the object is behind the mirror."

c)

"the image is always the same behind the mirror as the object is in front of the mirror."

44.

second class mirror in the form of a slice if a spherical surface.

a)

concave mirror

b)

convex mirror

c)

spherical mirror

45.

20.

a)

image

b)

object

c)

mirror

d)

image distance

e)

object distance

46.

mirror curved inward like the hollow inside of a sphere

a)

spherical mirrors

b)

convex mirrors

c)

concave mirrors

47.

curved mirror in which the reflective surface bulges towards the light source. image is smaller than the object but gets larer as it approaches.

a)

concave mirror

b)

sphrecial mirror

c)

convex mirror

48.

acronym of LASER

(a)  

49.

hypothesized that the vibrating electrons in incandescent lights could only have energies restricted to certain values.

a)

Max Planck

b)

Charles Townes

c)

Charles Robert Darwin

d)

Charles Sual

50.

LASER is a light that produces an intense beam and coherent multicolored and undirectional light.

a)

true

b)

mali

c)

unfalse

d)

maybe

51.

the concept of LASER was introduced by?

a)

Max Planck

b)

Charles Townes

c)

Charles Robert Darwin

d)

Charles Sual

52.

in 1900, Max Planck hypothesized that the vibrating electrons in incandescent lights could only have energies restricted to certain values which lead to the formation and acceptance of _____ in the ______

a)

Quantum Physics, late 1920s

b)

Quantum Theory, late 1902s

c)

Quantum Theory, late 1920s

d)

Quantum Physics, late 1920s

53.

focal length

a)

1f=1do+1di\frac{1}{f}=\frac{1}{d_o}+\frac{1}{d_i}  

b)

f= (dodi)di+dof=\ \frac{\left(d_od_i\right)}{d_i+d_o}  

54.

an optical fiber is a thick, transparent fiber that's usually made of glass or plastic.

a)

false

b)

true

55.

came from the Latin term meaning "dark chamber"

a)

camera

b)

puso mo

56.

a very simple form of microscope and has biconvex lens.

a)

mini microsope

b)

telescope

c)

binoculars

d)

magnifying glass

57.

has the ability to make faraway objects appear much closer.

a)

microscope

b)

magnifying glass

c)

telescope

58.

produces a clear, magnified image of an object when viewed throught this.

a)

magnifying glass

b)

hand lens

c)

microscope

d)

telescope

59.

the important relationship between the distance of an object, distance of an image, and the focal length of the spherical mirror.

a)

mirror equation

b)

distance formula

c)

jojowain

d)

mirror formula

60.

distance of an image

a)

di=fdodo−fd_i=\frac{fd_o}{d_o-f}  

b)

do=fdidi−fd_o=\frac{fd_i}{d_i-f}  

61.

the mirror equation (ung prng base nia bale)

a)

1f=1do+1di\frac{1}{f}=\frac{1}{d_o}+\frac{1}{d_i}  

b)

1d=1fi+1fo\frac{1}{d}=\frac{1}{f_i}+\frac{1}{f_o}  

62.

distance of an object

a)

di=fdodo−fd_i=\frac{fd_o}{d_o-f}  

b)

do=fdidi−fd_o=\frac{fd_i}{d_i-f}  

63.

concave mirrors have negative focal length.

a)

true

b)

no

64.

convex mirrors have negative focal length.

a)

true

b)

no

65.

the mirror equation is applicable to concave and convex mirrors only

a)

weh d nga

b)

i think tamah

c)

no

d)

wut f ayw q

66.

for both concave and convex mirrors, the image is real if the distance of the object from the lens is greater than the focal length and virtual if it is less than the focal length. If the object is at the focus the image is formed at infinity.

a)

hinde

b)

totoo

67.

elements of fiber optics kc gusto q

(a)  

68.

the image is always virtual with convex and concave mirrors.

a)

true

b)

mali

c)

ndi q alm #respectmyopinion

69.

the first compound microscope is thought to have been invented in 1950 by a Dutch Scientist named _____

a)

Zacharias Jannsen

b)

Zacharias Janssen

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