12 Questions
What can increase the resolving power of a telescope?
Diameter of objective
When a biconvex lens of glass with refractive index 1.47 is immersed in a liquid and behaves like a plane glass plate, what is the refractive index of the liquid?
1.47
In the variation of slopping potential with light frequency on photosensitive surfaces M1 and M2, which surface has a greater value of the work function?
M2
Which factor contributes to making an object invisible when a glass lens is immersed in a liquid?
Refractive index of the liquid
In the given text, what is the consequence of placing an electric dipole in a non-uniform electric field?
It experiences a force but not a torque
What can be inferred if the net electric flux through a closed surface is zero?
No net charge is enclosed by the surface
What is the main restriction mentioned in the text for solving certain questions?
No overall choice provided
If an object placed in a non-uniform field experiences both force and torque, what does this imply?
There might be an external magnetic field present
What is the internal resistance of a cell?
Total resistance in an external circuit
According to Huygen's Principle, what is true about light refraction at a convex spherical surface?
Light bends towards the normal
What is drift velocity in the context of electricity?
Velocity of free electrons in a conductor due to an applied electric field
In the context of hydrogen atom energy levels, what does the total energy expression include?
Sum of kinetic and potential energies
Learn how to increase the resolving power of a telescope by adjusting specific components. Test your knowledge on factors affecting the resolution of telescopes.
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