The photoelectric effect confirms the particle nature of radiation. It demonstrates that light can behave as discrete particles (photons), where each photon carries a specific amount of energy that can eject electrons from a material, a phenomenon inconsistent with wave ...
Category: Class 10 Science
NCERT Solutions for Class 10 Science and important questions for CBSE class 10 for session 2020-2021
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A telescope is an optical instrument used to observe distant objects by collecting and focusing light. It consists of lenses or mirrors that magnify distant images, making them appear closer and more detailed. Telescopes are essential tools in astronomy for ...
Lumen is the unit of luminous flux, which measures the total amount of visible light emitted by a light source per unit of time. It quantifies the brightness of light as perceived by the human eye, regardless of the direction ...
A person suffering from a distance of less than 1 meter is suffering from nearsightedness. Nearsightedness, or myopia, is a vision condition where close objects are seen clearly, but distant objects appear blurry. This occurs because the eye focuses light ...
A person unable to see an object more than 10 meters away is suffering from myopia. Myopia, or nearsightedness, causes distant objects to appear blurry while close objects are clear. This occurs because the eye focuses light in front of ...