Refraction through a Glass Slab, and Total Internal Reflection
Ray Optics

282266 A vessel is half filled with a liquid of refractive index \(\mu\). The other half of the vessel is filled with an immiscible liquid of refractive index \(1.5 \mu\). The apparent depth of the vessel is \(50 \%\) of the actual depth. Then \(\mu\) is

1 1.4
2 1.5
3 1.6
4 1.67
Ray Optics

282269 A vessel of depth \(x\) is half filled with oil of refractive index \(\mu_1\) and the other half is filled with water of refractive and index \(\mu_2\). The apparent depth of the vessel when viewed from above is

1 \(\frac{x\left(\mu_1+\mu_2\right)}{2 \mu_1 \mu_2}\)
2 \(\frac{x \mu_1 \mu_2}{2\left(\mu_1+\mu_2\right)}\)
3 \(\frac{x \mu_1 \mu_2}{\left(\mu_1+\mu_2\right)}\)
4 \(\frac{2 x\left(\mu_1+\mu_2\right)}{\mu_1 \mu_2}\)
(e) \(\frac{4\left(\mu_1+\mu_2\right) \mathrm{x}}{\mu_1 \mu_2}\)
Ray Optics

282270 The optical fibers have an inner core of refractive index \(n_1\) and a cladding of refractive index \(n_2\), such that

1 \(\mathrm{n}_1=\mathrm{n}_2\)
2 \(\mathrm{n}_1 \leq \mathrm{n}_2\)
3 \(\mathrm{n}_1<\mathrm{n}_2\)
4 \(\mathrm{n}_1>\mathrm{n}_2\)
(e) \(\mathrm{n}_1 \geq \mathrm{n}_2\)
Ray Optics

282271 A fish at a depth of \(12 \mathrm{~cm}\) in water in viewed by an observer on the bank of a lake. To what height the image of the fish is raised?
(Refractive index of lake water \(=4 / 3\) )

1 \(9 \mathrm{~cm}\)
2 \(12 \mathrm{~cm}\)
3 \(3.8 \mathrm{~cm}\)
4 \(3 \mathrm{~cm}\)
(e) \(0.75 \mathrm{~cm}\)
Ray Optics

282266 A vessel is half filled with a liquid of refractive index \(\mu\). The other half of the vessel is filled with an immiscible liquid of refractive index \(1.5 \mu\). The apparent depth of the vessel is \(50 \%\) of the actual depth. Then \(\mu\) is

1 1.4
2 1.5
3 1.6
4 1.67
Ray Optics

282269 A vessel of depth \(x\) is half filled with oil of refractive index \(\mu_1\) and the other half is filled with water of refractive and index \(\mu_2\). The apparent depth of the vessel when viewed from above is

1 \(\frac{x\left(\mu_1+\mu_2\right)}{2 \mu_1 \mu_2}\)
2 \(\frac{x \mu_1 \mu_2}{2\left(\mu_1+\mu_2\right)}\)
3 \(\frac{x \mu_1 \mu_2}{\left(\mu_1+\mu_2\right)}\)
4 \(\frac{2 x\left(\mu_1+\mu_2\right)}{\mu_1 \mu_2}\)
(e) \(\frac{4\left(\mu_1+\mu_2\right) \mathrm{x}}{\mu_1 \mu_2}\)
Ray Optics

282270 The optical fibers have an inner core of refractive index \(n_1\) and a cladding of refractive index \(n_2\), such that

1 \(\mathrm{n}_1=\mathrm{n}_2\)
2 \(\mathrm{n}_1 \leq \mathrm{n}_2\)
3 \(\mathrm{n}_1<\mathrm{n}_2\)
4 \(\mathrm{n}_1>\mathrm{n}_2\)
(e) \(\mathrm{n}_1 \geq \mathrm{n}_2\)
Ray Optics

282271 A fish at a depth of \(12 \mathrm{~cm}\) in water in viewed by an observer on the bank of a lake. To what height the image of the fish is raised?
(Refractive index of lake water \(=4 / 3\) )

1 \(9 \mathrm{~cm}\)
2 \(12 \mathrm{~cm}\)
3 \(3.8 \mathrm{~cm}\)
4 \(3 \mathrm{~cm}\)
(e) \(0.75 \mathrm{~cm}\)
Ray Optics

282266 A vessel is half filled with a liquid of refractive index \(\mu\). The other half of the vessel is filled with an immiscible liquid of refractive index \(1.5 \mu\). The apparent depth of the vessel is \(50 \%\) of the actual depth. Then \(\mu\) is

1 1.4
2 1.5
3 1.6
4 1.67
Ray Optics

282269 A vessel of depth \(x\) is half filled with oil of refractive index \(\mu_1\) and the other half is filled with water of refractive and index \(\mu_2\). The apparent depth of the vessel when viewed from above is

1 \(\frac{x\left(\mu_1+\mu_2\right)}{2 \mu_1 \mu_2}\)
2 \(\frac{x \mu_1 \mu_2}{2\left(\mu_1+\mu_2\right)}\)
3 \(\frac{x \mu_1 \mu_2}{\left(\mu_1+\mu_2\right)}\)
4 \(\frac{2 x\left(\mu_1+\mu_2\right)}{\mu_1 \mu_2}\)
(e) \(\frac{4\left(\mu_1+\mu_2\right) \mathrm{x}}{\mu_1 \mu_2}\)
Ray Optics

282270 The optical fibers have an inner core of refractive index \(n_1\) and a cladding of refractive index \(n_2\), such that

1 \(\mathrm{n}_1=\mathrm{n}_2\)
2 \(\mathrm{n}_1 \leq \mathrm{n}_2\)
3 \(\mathrm{n}_1<\mathrm{n}_2\)
4 \(\mathrm{n}_1>\mathrm{n}_2\)
(e) \(\mathrm{n}_1 \geq \mathrm{n}_2\)
Ray Optics

282271 A fish at a depth of \(12 \mathrm{~cm}\) in water in viewed by an observer on the bank of a lake. To what height the image of the fish is raised?
(Refractive index of lake water \(=4 / 3\) )

1 \(9 \mathrm{~cm}\)
2 \(12 \mathrm{~cm}\)
3 \(3.8 \mathrm{~cm}\)
4 \(3 \mathrm{~cm}\)
(e) \(0.75 \mathrm{~cm}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Ray Optics

282266 A vessel is half filled with a liquid of refractive index \(\mu\). The other half of the vessel is filled with an immiscible liquid of refractive index \(1.5 \mu\). The apparent depth of the vessel is \(50 \%\) of the actual depth. Then \(\mu\) is

1 1.4
2 1.5
3 1.6
4 1.67
Ray Optics

282269 A vessel of depth \(x\) is half filled with oil of refractive index \(\mu_1\) and the other half is filled with water of refractive and index \(\mu_2\). The apparent depth of the vessel when viewed from above is

1 \(\frac{x\left(\mu_1+\mu_2\right)}{2 \mu_1 \mu_2}\)
2 \(\frac{x \mu_1 \mu_2}{2\left(\mu_1+\mu_2\right)}\)
3 \(\frac{x \mu_1 \mu_2}{\left(\mu_1+\mu_2\right)}\)
4 \(\frac{2 x\left(\mu_1+\mu_2\right)}{\mu_1 \mu_2}\)
(e) \(\frac{4\left(\mu_1+\mu_2\right) \mathrm{x}}{\mu_1 \mu_2}\)
Ray Optics

282270 The optical fibers have an inner core of refractive index \(n_1\) and a cladding of refractive index \(n_2\), such that

1 \(\mathrm{n}_1=\mathrm{n}_2\)
2 \(\mathrm{n}_1 \leq \mathrm{n}_2\)
3 \(\mathrm{n}_1<\mathrm{n}_2\)
4 \(\mathrm{n}_1>\mathrm{n}_2\)
(e) \(\mathrm{n}_1 \geq \mathrm{n}_2\)
Ray Optics

282271 A fish at a depth of \(12 \mathrm{~cm}\) in water in viewed by an observer on the bank of a lake. To what height the image of the fish is raised?
(Refractive index of lake water \(=4 / 3\) )

1 \(9 \mathrm{~cm}\)
2 \(12 \mathrm{~cm}\)
3 \(3.8 \mathrm{~cm}\)
4 \(3 \mathrm{~cm}\)
(e) \(0.75 \mathrm{~cm}\)