Examlex
Monochromatic light is incident on a grating that is 75 mm wide and ruled with 50,000 lines.The second-order maximum is seen at 32.5°.What is the wavelength of the incident light?
Visual Disability
A reduced ability to see that cannot be fully corrected with glasses or contact lenses, impacting daily activities.
Screen Readers
Software applications that convert text displayed on a screen into speech, making digital content accessible to visually impaired users.
Captioning Software
Tools or applications that facilitate the creation of text overlays (captions) for audio-visual content to aid comprehension and accessibility.
Electronic Waste
Discarded electrical or electronic devices, which pose environmental hazards due to toxic substances if not properly managed.
Q2: Unpolarized light is incident upon two
Q40: What is the longest wavelength in the
Q56: Name the first three isotopes of hydrogen,write
Q80: What is the energy (in electron-volts)of the
Q82: A piece of glass has a thin
Q87: You double your distance from a sound
Q96: What is the power of a lens
Q136: Consider two pipes of the same length:
Q156: Which one of the following is a
Q173: The objective lens of a telescope has