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ONLINE EXAM Enter Exam Details START EXAM Q1. What is light? A. A form of energy B. A material substance C. A gas D. A liquid Answer: A Q2. Light helps us to A. Hear sounds B. See objects C. Taste food D. Feel heat Answer: B Q3. The speed of light in vacuum is

ONLINE EXAM Enter Exam Details START EXAM Q1. Which three lie in the same plane according to first law of refraction? A. Incident ray, reflected ray, mirror B. Incident ray, refracted ray, normal C. Normal, mirror, image D. Refracted ray, lens, axis ANSWER: B Q2. The constant ratio in refraction law is between A. Angle

📌 How to Use First read the questions carefully using the Read section. Use the Details button to understand concepts clearly. After completing reading, click Practice Quiz to test yourself. 📘 Read📝 Practice Quiz 📘 Study MCQs Q1. A car accelerates uniformly from rest to 20 m/s in 5 seconds. What is its acceleration? Kinematics

📘 Study MCQs Q1. Photosynthesis is a process that converts light energy into chemical energy. NCERT Basic • Light energy into chemical energy • Chemical energy into light energy • Heat energy into mechanical energy • Kinetic energy into potential energy Answer: Light energy into chemical energy Details During photosynthesis, plants use sunlight to convert

📘 Study MCQs Q1. The ‘Evil Quartet’ in biodiversity is primarily concerned with the major causes of: • Species Extinction • Adaptive Radiation • Genetic Drift • Sympatric Speciation Answer: Species Extinction Details The ‘Evil Quartet’ refers to the four major causes of biodiversity loss and species extinction: habitat loss and fragmentation, over-exploitation, alien species

NEET – Topic: 📘 Study MCQs Q1. The variety of life forms in a given region is termed. • Biodiversity • Speciation • Extinction • Mutation Answer: Biodiversity Details The correct answer is “Biodiversity”. This question checks the understanding of the basic concept related to “The variety of life forms in a given region is

👁️ The Human Eye — NEET / JEE Foundation The human eye is one of the most remarkable natural optical instruments. It enables us to see objects around us and experience the colourful world. Unlike other sense organs, the eye works entirely with light. When light reflected from objects enters the eye, a series of

Human Eye – Animated Notes → Quiz 👁️ Human Eye – Learn First, Then Quiz The human eye is the most important sense organ. It helps us see the colourful world. The eye works mainly with light and its structure is similar to a camera. The eyeball is spherical and about 2.3 cm in diameter.

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