Exploring Light: Curved Mirrors and Lenses

🎓 Class 8 📚 EVS ⚡ Medium

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Code: Class8-SC-06102026
Class: Class 8
Subject: EVS
Difficulty

Exploring Light: Curved Mirrors and Lenses

Question #2696
Which type of mirror has a reflecting surface that curves inward, similar to the hollow inner entrance of a cave?
a.
b.
c.
d.
Question #2697
When you look into the inner scoop of a shiny spoon, your face appears upside down. This behavior is similar to which type of mirror?
a.
b.
c.
d.
Question #2698
What distinguishes a spherical mirror from a plane mirror?
a.
b.
c.
d.
Question #2699
Which statement accurately describes a convex mirror?
a.
b.
c.
d.
Question #2700
A mirror that acts as a "converging mirror" by causing parallel rays of light to meet at a single focal point is known as a:
a.
b.
c.
d.
Question #2701
What is the primary function of a mirror with a surface that "bulges outward" towards the incoming light?
a.
b.
c.
d.
Question #2702
According to the Laws of Reflection, what is the relationship between the angle of incidence and the angle of reflection?
a.
b.
c.
d.
Question #2703
What is the "normal" in the context of reflection?
a.
b.
c.
d.
Question #2704
How does the orientation of the normal differ on a spherical mirror compared to a plane mirror?
a.
b.
c.
d.
Question #2705
In a concave mirror, where do incoming parallel beams of light converge after reflection?
a.
b.
c.
d.
Question #2706
What happens to parallel rays of light when they strike a convex mirror?
a.
b.
c.
d.
Question #2707
If reflected rays from a mirror are traced backward and appear to originate from a single imaginary point behind the mirror, what is this point called?
a.
b.
c.
d.
Question #2708
Which characteristic is true of a Real Image?
a.
b.
c.
d.
Question #2709
What is a key difference between a real image and a virtual image regarding projection?
a.
b.
c.
d.
Question #2710
When you look into a mirror and see an image that is upright and appears to be behind the mirror, what kind of image are you seeing?
a.
b.
c.
d.
Question #2711
During the Screen Test Experiment, when the candle is placed far from a concave mirror, an upside-down flame appears on the cardboard. What type of image is this?
a.
b.
c.
d.
Question #2712
If light rays physically diverge after reflection or refraction, but appear to originate from a point when traced backward, what type of image is formed?
a.
b.
c.
d.
Question #2713
Which statement is NOT true about virtual images?
a.
b.
c.
d.
Question #2714
What is a lens primarily made of and how does it affect light?
a.
b.
c.
d.
Question #2715
Which characteristic describes a convex lens?
a.
b.
c.
d.
Question #2716
A lens that has a profile described as "thinner across the center and thicker at the rim" is a:
a.
b.
c.
d.
Question #2717
What is the primary action of a concave lens on parallel rays of light?
a.
b.
c.
d.
Question #2718
Which type of lens can form a real, inverted image on a screen at a certain distance?
a.
b.
c.
d.
Question #2719
A lens that always forms an upright, virtual, and diminished (smaller) image, and cannot cast an image onto a screen, is a:
a.
b.
c.
d.
Question #2720
Why do dentists use a concave mirror for examining teeth?
a.
b.
c.
d.
Question #2721
The warning "Objects in mirror are closer than they appear" is commonly found on which type of vehicle mirror?
a.
b.
c.
d.
Question #2722
If you wanted to set a piece of paper on fire using sunlight and a curved optical component, which would you use?
a.
b.
c.
d.
Question #2723
What is the purpose of painting "AMBULANCE" in reversed lettering on the front hood of emergency vehicles?
a.
b.
c.
d.
Question #2724
Which application uses a convex mirror to provide a wide panoramic field of view, always forming an upright, reduced virtual image?
a.
b.
c.
d.
Question #2725
In the Screen Test Experiment, when the candle is moved very close to the concave mirror, the image disappears from the cardboard, but looking directly into the mirror reveals a giant, upright, magnified flame. This indicates the formation of what kind of image?
a.
b.
c.
d.