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CBSE - Class 10 Science Light – Reflection and Refraction Worksheet
Figure 10.1 shows a ray of light as it travels from medium A to medium B. Refractive index of the medium B relative to medium A is
$frac{3}{2}$
b.$frac{2}{3}$
c.$frac{1}{2}$
d.2
Which of the following ray diagrams is correct for the ray of light incident on a concave mirror as shown in Figure 10.6?
Fig. A
b.Fig. B
c.Fig. C
d.Fig. D
A light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be
greater than unity
b.less than unity
c.equal to unity
d.zero
Beams of light are incident through the holes $A$ and $B$ and emerge out of box through the holes $C$ and $D$ respectively as shown in the Figure10.3. Which of the following could be inside the box?
A rectangular glass slab
b.A convex lens
c.A concave lens
d.A prism
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