Question
The ray diagram could be correct

Answer

(c) If ${n_l} > {n_g}$ then the lens will be in more denser medium.

Hence its nature will change and the convex lens will behave like a concave lens.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A circular coil of $30$ turns and radius $8.0\, cm$ carrying a current of $6.0\, A$ is suspended vertically in a uniform horizontal magnetic field of magnitude $1.0\, T$. The field lines make an angle of $60^o$ with the normal of the coil. Calculate the magnitude of the counter torque that must be applied to prevent the coil from turning.....$Nm$
A policeman on duty detects a drop of $10 \%$ in the pitch of the hom of motion of car as it crosses him. If the velocity of sound is $330 \,m / s$. Calculate the speed of the car ........... $m / s$
$A$ student is asked to measure the wavelength of monochromatic light. He sets up the apparatus sketched below. $S_1, S_2, S_3$ are narrow parallel slits, $L$ is a sodium lamp and $M$ is a microscope eyepiece. The student fails to observe interference fringes. Your first advice to him will be
Two small spheres each having the charge $ + Q$ are suspended by insulating threads of length $L$ from a hook. This arrangement is taken in space where there is no gravitational effect, then the angle between the two suspensions and the tension in each will be
Select the correct statement for work, heat and change in internal energy.
A ring is formed by joining two uniform semi circular rings $ABC$ and $ADC$. Mass of $ABC$ is thrice of that of $ADC$. If the ring is hinged to a fixed support ,at $A$, it can rotate freely in a vertical plane. Find the value of $tan\,\theta$, where $\theta$ is the angle made. by the line $AC$ with the vertical in equilibrium
A wire of length $2\, m$ is made from $10\;c{m^3}$ of copper. A force $F$ is applied so that its length increases by $2\, mm.$ Another wire of length 8 m is made from the same volume of copper. If the force $F$ is applied to it, its length will increase by......... $cm$
A distant hot air balloon subtends $0.25^o$ at the objective lens of an astronomical teleseope. The image subtends $1.5^o$ at  eyepiece when viewed with relaxed eye.The objective and eyepiece are in a $35\  cm$ long tube. Find the focal length of the eyepiece lens.....$cm$
The self inductance of a coil is $L$. Keeping the length and area same, the number of turns in the coil is increased to four times. The self inductance of the coil will now be
Figure shows the variation of the moment of inertia of a uniform rod, about an axis passing through its centre and inclined at an angle $\theta$ to the length. The moment of inertia of the rod about an axis passing through one of its ends and making an angle $\theta  = \frac{\pi }{3}$ will be ........ $ kg-m^2$.