1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
siniylev [52]
3 years ago
7

A converging lens of focal length 20 cm is used to form a real image 1.0 m away from the lens. How far from the lens is the obje

ct?
Physics
1 answer:
Galina-37 [17]3 years ago
6 0

Answer:

0.25 m

Explanation:

We can solve the problem by using the lens equation:

\frac{1}{f}=\frac{1}{p}+\frac{1}{q}

where

f is the focal length

p is the distance of the object from the lens

q is the distance of the image from the lens

In this problem, we have

f = +20 cm=+0.20 m (the focal length is positive for a converging lens)

q = +1.0 m (the image distance is positive for a real image)

Solving the equation for p, we find

\frac{1}{p}=\frac{1}{f}-\frac{1}{q}=\frac{1}{0.20 m}-\frac{1}{1 m}=4 m^{-1}\\p=\frac{1}{4 m^{-1}}=0.25 m

You might be interested in
An Earth satellite moves in a circular orbit 680 km above Earth's surface with a period of 98.15 min. What are (a) the speed and
kotykmax [81]

The solution is in the attachment

6 0
2 years ago
Which variable mentioned in Table 2-1 is kept constant? a. amount of time spent swimming b. type of swimming stroke c. number of
Vladimir [108]

Answer:

a. amount of time spent swimming

7 0
2 years ago
Which of the following is true about light waves and sound waves? A. Sound waves can move at different speeds, but light waves a
vivado [14]

Answer:

C

Explanation:

Sound waves speed up noticeably when moving through a solid or liquid, because all it is is just particles colliding; and particles are way closer together with those states of matter.

The speed of light can change when moving through different substances, but this is dependent on complicated factors such as frequency, polarization, intensity, et. cetera

The important part is that it does change speed, so your answer is C.

Hope this helps!

3 0
3 years ago
Which telescopes must be placed in orbit around earth in order to observe short-wavelength radiation?.
son4ous [18]

Space telescopes must be placed in orbit around earth in order to observe short-wavelength radiation.

<h3>What is telescope?</h3>

A telescope is an optical instrument that uses lenses, curved mirrors, or a combination of both to watch distant objects.

When atoms in a gas reach this temperature, they travel so quickly that when they collide, they release X-ray photons with wavelengths smaller than 10 nanometers.

Because the Earth's atmosphere prevents all X-rays from space, these wavelengths must be seen using space telescopes.

To study short-wavelength radiation, space telescopes must be put in orbit around the Earth.

Hence, space telescope is the correct answer.

To learn more about the telescope, refer:

brainly.com/question/556195

#SPJ1

6 0
1 year ago
The ability to pick up small objects, to stack objects, and to carry objects appears first during which time period?
aliya0001 [1]
 the answer is B 4-6 months thats when they can pick up large objects.
8 0
2 years ago
Read 2 more answers
Other questions:
  • Is it possible for an object to have a charge of 4.8x10-9 C? Why or why not?
    11·1 answer
  • Which statement is true of AC current?. Select one of the options below as your answer:. . A.. It uses a battery as a power sour
    7·2 answers
  • Hybrid seeds are deliberately crossbred for particular traits, such as growth pattern or disease resistance. They have been hand
    8·1 answer
  • An exploding plastic egg is sitting at rest on a lab table when it explodes into two pieces. One piece goes left at 6.0 m/a, cal
    5·1 answer
  • A large centrifuge is used to expose aspiring astronauts to accelerations similar to those experienced in rocket launches and at
    5·1 answer
  • Electric field lines point from positive charges to negative charges. A. True B. False​
    15·1 answer
  • Two 100 kg bumper cars are moving toward each other in opposite directions. Car A is moving at 8 m/s and Car Bat -10 m/s when th
    5·1 answer
  • The density of iron is 7.87 g/cm3. If an iron cannonball has a volume of 105 cm3
    12·1 answer
  • (1 point) A projectile is fired from ground level with an initial speed of 600 m/sec and an angle of elevation of 30 degrees. Us
    14·1 answer
  • Please help me
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!