@Saurabh Patil
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The most idiotic thing in the solution derived answer is that it shows the refractive index of the liquid to be greater than that of the glass which is the biggest flaw.!!

The solution is violating the very much first required condition that if a beam of light is to be totally internally refracted then the refractive index from which the ray is incident (incidence medium) is to be less than that of the medium into which it is imagined to be entering (to verify the Snell's law offcourse.)
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Saurabh Patil
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2 years, 3 months ago

@Tanishq Varshney
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Ya that goes correct the option B is correct!! \[ refractive index of liquid < \frac{3\sqrt{3}}{4}\]
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Saurabh Patil
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2 years, 3 months ago

@Saurabh Patil
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Oh I know it please tell if my Sol is correct or not.It gives the right answer.(b).I must have had made a mistake that time.
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Kalash Verma
·
2 years, 3 months ago

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Apr 26, 2015

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@Saurabh Patil
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Oh sorry I don't know Latex u is refractive index and 1u2 means refractive index of 2nd medium with respect to 1@Saurabh Patil .
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Kalash Verma
·
2 years, 3 months ago

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@Kalash Verma
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Kalash I respect the way you interpret the equations guw=auw/aug. Or aug/auw but there is a better way to solve such questions.

img

Use the above law directly which would surely give you direct and correct results.
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Saurabh Patil
·
2 years, 3 months ago

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@Saurabh Patil
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Thanks I will use that next time .pls check the sol I gave above.
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Kalash Verma
·
2 years, 3 months ago

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@Kalash Verma
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i hope u know the meaning of critical angle.

according to snells law \(\mu_{1}sin(\theta_{1})=\mu_{2}sin(\theta_{2})\)

or in other words \(\mu sin(\theta)=constant\)
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Tanishq Varshney
·
2 years, 3 months ago

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@Tanishq Varshney
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Yep I know its meaning.
See above I have written a way check it if its right.Sorry for inconvenience.
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Kalash Verma
·
2 years, 3 months ago

## Comments

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TopNewestcorrect answer is option b – Shivam Sharma · 2 years, 3 months ago

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@Raghav Vaidyanathan @Mvs Saketh – Tanishq Varshney · 2 years, 3 months ago

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@Saurabh Patil – Tanishq Varshney · 2 years, 3 months ago

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\(\mu\) of glass\(\times sin(\theta_{c})=\mu\) of liquid \(\times sin(90)\)

\(sin(\theta_{c})=\frac{2 \mu}{3}\) – Tanishq Varshney · 2 years, 3 months ago

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@Tanishq Varshney . My mistake I wrote a solution(nope just a correction). – Kalash Verma · 2 years, 3 months ago

Oohh sorryLog in to reply

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The solution is violating the very much first required condition that if a beam of light is to be totally internally refracted then the refractive index from which the ray is incident (incidence medium) is to be less than that of the medium into which it is imagined to be entering (to verify the Snell's law offcourse.) – Saurabh Patil · 2 years, 3 months ago

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– Tanishq Varshney · 2 years, 3 months ago

Last thing i want to ask is the answer B then, plz reply saurabhLog in to reply

– Tanishq Varshney · 2 years, 3 months ago

have i put the equation right saurabh. so the answer is B then i guessLog in to reply

– Saurabh Patil · 2 years, 3 months ago\[ refractive index of liquid < \frac{3\sqrt{3}}{4}\]Log in to reply

– Kalash Verma · 2 years, 3 months ago

Oh can u please tell me what is guw=auw/aug. Or aug/auwLog in to reply

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@Saurabh Patil see my way. i=60

Now

Sin60/sin(r) = guo

Or √3/2 = uo/ug Is this the correct way?? Now I think its right sorry @Tanishq Varshney . – Kalash Verma · 2 years, 3 months ago

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– Kalash Verma · 2 years, 3 months ago

Yah please help me.Log in to reply

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– Kalash Verma · 2 years, 3 months ago

Oh I know it please tell if my Sol is correct or not.It gives the right answer.(b).I must have had made a mistake that time.Log in to reply

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@Saurabh Patil . – Kalash Verma · 2 years, 3 months ago

Oh sorry I don't know Latex u is refractive index and 1u2 means refractive index of 2nd medium with respect to 1Log in to reply

img

Use the above law directly which would surely give you direct and correct results. – Saurabh Patil · 2 years, 3 months ago

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– Kalash Verma · 2 years, 3 months ago

Thanks I will use that next time .pls check the sol I gave above.Log in to reply

according to snells law \(\mu_{1}sin(\theta_{1})=\mu_{2}sin(\theta_{2})\)

or in other words \(\mu sin(\theta)=constant\) – Tanishq Varshney · 2 years, 3 months ago

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– Kalash Verma · 2 years, 3 months ago

Yep I know its meaning. See above I have written a way check it if its right.Sorry for inconvenience.Log in to reply