The spaceship at S wishes to touch the surface of the giant planet and proceed to point X in the shortest distance possible. To what point P on the planet surface should the spaceship travel?

1
The spaceship at S wishes to touch the surface of
the giant planet and proceed to point X in the
shortest distance possible. To what point P on
the planet surface should the spaceship travel?
1. Point a2. Point b3. Point c4. Actually, all
yield the same total distance.
2
1. Point a2. Point b3. Point c4. Actually, all
yield the same total distance.
The spaceship at S wishes to touch the surface of
the giant planet and proceed to point X in the
shortest distance possible. To what point P on
the planet surface should the spaceship travel?
3
In order that you are able to see a full-length
view of yourself, the minimum size for a plane
mirror must be
1. one-quarter your height.2. one-half your
height.3. three-quarters your height.4. your
full height.5. depends on your distance.
4
1. one-quarter your height.2. one-half your
height.3. three-quarters your height.4. your
full height.5. depends on your distance.
In order that you are able to see a full-length
view of yourself, the minimum size for a plane
mirror must be
5
To see more of her head in the mirror, she
1. should hold the mirror closer.2. should hold
the mirror farther away.3. needs a bigger mirror.
6
1. should hold the mirror closer.2. should hold
the mirror farther away.3. needs a bigger mirror.
To see more of her head in the mirror, she
7
She takes a photograph of her friend standing on
the bridge as shown. Which of the two sketches
more accurately shows the photograph of the
bridge and its reflection?
1.2.
8
1.2.
She takes a photograph of her friend standing on
the bridge as shown. Which of the two sketches
more accurately shows the photograph of the
bridge and its reflection?
9
Light rays bend as they pass from air into water
at a non90 degree angle.This is refraction.
Which quantity doesnt change when light refracts?
1. Average speed of light2. Materials index
of refraction3. Frequency of light4.
Wavelength of light
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1. Average speed of light2. Materials index
of refraction3. Frequency of light4.
Wavelength of light
Light rays bend as they pass from air into water
at a non90 degree angle.This is refraction.
Which quantity doesnt change when light refracts?
11
Jose wishes to spear a fish with a laser. In
order to make a direct hit, he should aim the
laser beam
1. above 2. below 3. directly at the
observed fish.
12
1. above 2. below 3. directly at the
observed fish.
Jose wishes to spear a fish with a laser. In
order to make a direct hit, he should aim the
laser beam
13
Suppose you want to send a beam of laser light to
a space station above the atmosphere and just
above the horizon. You should aim your laser
1. slightly higher than 2. slightly lower
than 3. directly along the line of sight to
the space station.
14
1. slightly higher than 2. slightly lower
than 3. directly along the line of sight to
the space station.
Suppose you want to send a beam of laser light to
a space station above the atmosphere and just
above the horizon. You should aim your laser
15
A person who sees more clearly under water than
in air without eyeglasses is
1. nearsighted.2. farsighted.3. neither.
16
1. nearsighted.2. farsighted.3. neither.
A person who sees more clearly under water than
in air without eyeglasses is
17
The photographer wishes to photograph the rainbow
but is disappointed to find the cameras angle of
view is not wide enough to see the whole rainbow.
To get the whole rainbow, she would be better off
if she were1. closer to the rainbow.2. farther
from the rainbow.3. neither, for shed get the
same portion of rainbow in either case.
18
To get the whole rainbow, she would be better off
if she were1. closer to the rainbow.2. farther
from the rainbow.3. neither, for shed get the
same portion of rainbow in either case.
The photographer wishes to photograph the rainbow
but is disappointed to find the cameras angle of
view is not wide enough to see the whole rainbow.