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
kodGreya [7K]
2 years ago
7

Which optical device can focus light to a point through reflection?

Physics
1 answer:
frosja888 [35]2 years ago
7 0

Answer:

A

Explanation:

did the quiz

You might be interested in
5. What is the frequency of a sound wave when the speed of the sound is 340 m/s and has a wavelength of 1.21 m?​
LekaFEV [45]

Explanation:

v = f × /\

340 = 1.21f

f = 280.99Hz

3 0
3 years ago
X-rays cannot pass through Earth's atmosphere. Which of these is the best location to place a telescope used to observe x-rays f
Amiraneli [1.4K]
Mountains, tops of buildings, and high-flying aircraft are all part of Earth's atmosphere, no matter how high they are. On the other hand, space doesn't belong to our atmosphere, it is outside of it. Having this in mind, the best location to place a telescope used to observe x-rays from stars is in space.
7 0
3 years ago
Read 2 more answers
You plug a string of 100 lights in series into a 120 V power outlet, and each light has a resistance of 3.00 _. If each light ha
UNO [17]
V = IR

By completing the equation, i found that the total power equation is : 4.8, 
Which means that it's not exceed the power rating.

So i believe the answer would be :  The string will remain lit

hope this helps
6 0
3 years ago
This diagram shows the magnetic field lines near the ends of two magnets. There is an error in the diagram.
hoa [83]
I believe the answer is c
4 0
3 years ago
Read 2 more answers
In an internal combustion engine, heat flow into a gas causes it to ......
ivann1987 [24]
<span>In an internal combustion engine, heat flow into a gas causes it to expand.
The application of direct force to specific parts of the engine will produce </span>expansion of the high-temperature<span> and high-</span>pressure<span> gases. Which will transform the chemical energy from the fuel (such as gasoline or oi) into mechanical energy.</span>
5 0
3 years ago
Other questions:
  • An approaching storm is moving at 15 km an hour what do you need to know to determine its velocity
    7·1 answer
  • Is the star with the longest total lifetime Also the farthest from earth? Explain.
    12·1 answer
  • What is a concave lens?
    15·1 answer
  • 3. A force of 200 N is applied to an object of area 2 sq.m . the pressure will be<br>​
    13·2 answers
  • Which statements define factors that contribute to the decline of Roman Empire
    12·1 answer
  • A graph of gas pressure versus the number of particles in a container is straight line.which other relationship will have a simi
    6·1 answer
  • What is the particles instantaneous speed at t=16 sec
    14·1 answer
  • A current of 17 A flows through a resistor of 10 2. What is the voltage<br> across the resistor
    10·1 answer
  • Relation of Kilometre and mile​
    7·2 answers
  • A large solar farm has 21 700 solar panels and generates 5.0 MW of power.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!