Q1 · hard · AI-verified
In Young's Double Slit Experiment, the slit separation is 0.5 mm, wavelength of light used is 600 nm, and the screen is placed 1.5 m away. What is the fringe width?
- 1.8 mm
- 2.4 mm
- 1.2 mm
- 0.9 mm
Q2 · easy · AI-verified
In Young's double slit experiment, if the distance between the two slits is halved and the distance between the slits and the screen is doubled, the fringe width becomes:
- Same
- 2 times
- 4 times
- Half
Q3 · medium · AI-verified
A convex lens of focal length 20 cm forms a real, inverted image of the same size as the object. At what distance from the lens is the object placed?
- 30 cm
- 40 cm
- 20 cm
- 60 cm
Q4 · easy · AI-verified
The phenomenon of bending of light around the edges of an obstacle is called:
- Polarization
- Reflection
- Refraction
- Diffraction
Q5 · easy · AI-verified
According to Snell's law, if light travels from a denser medium to a rarer medium, the refracted ray bends:
- Towards the normal
- Away from the normal
- Parallel to the surface
- Along the normal