By using concave lens, we can correct Myopia and Hyperopia can be corrected by convex lenses.
To find the answer, we need to know about Myopia and Hyperopia.
<h3>
What is Myopia and
Hyperopia?</h3>
- Myopia is an optical defect, in which a person can see nearby objects clearly and cannot see far off objects clearly.
- Here the eyeball becomes too longer, and the focal length of eye lens become too short.
- It can be corrected by using concave lens.
- For Hyperopia, the person can see far off objects clearly and cannot see nearby objects clearly.
- This can be corrected by using convex lens.
Thus, we can conclude that, by using concave lens, we can correct Myopia and Hyperopia can be corrected by convex lenses.
Learn more about Myopia and Hyperopia here:
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The answer is to the question is c
Answer:
-15 m/s
Explanation:
The computation of the velocity of the 4.0 kg fragment is shown below:
For this question, we use the correlation of the momentum along with horizontal x axis
Given that
Weight of stationary shell = 6 kg
Other two fragments each = 1.0 kg
Angle = 60
Speed = 60 m/s
Based on the above information, the velocity = v is
= -15 m/s
