1. Which of the following electromagnetic radiations can cause vomiting, bleeding, fainting, and hair loss?
a. visible light
b. ultraviolet rays
c. x-rays
d. gamma rays
2. Which of the following is not a description of concave lens?
a. It is thicker at the edges and thinner in the center.
b. It forms upright and reduce images
c. CONVERGING LENS
d. DIVERGING LENS
3. Which of the following is not a description of convex lens?
a. It is thicker in the center than the edges.
b. It forms real images and virtual images depending on the position of the object.
c. CONVERGING LENS
d. DIVERGING LENS
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Answer:
1. Which of the following electromagnetic radiations can cause vomiting, bleeding, fainting, and hair loss?
a. visible light
b. ultraviolet rays
d. gamma rays
2. Which of the following is not a description of concave lens?
a. It is thicker at the edges and thinner in the center.
b. It forms upright and reduce images
d. DIVERGING LENS
3. Which of the following is not a description of convex lens?
a. It is thicker in the center than the edges.
b. It forms real images and virtual images depending on the position of the object.
c. CONVERGING LENS
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