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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
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Why do we use tungsten filament in bulb or lamps ? [2 MARKS] |
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Answer» Why do we use tungsten filament in bulb or lamps ? [2 MARKS] |
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| 16552. |
1.Material Suitable for making permanent magnet is: a) Steel b) Iron c) copper d) aluminium |
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Answer» 1.Material Suitable for making permanent magnet is: a) Steel b) Iron c) copper d) aluminium |
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Long question (5) What will you do for the sustainable management of natural resource? |
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Answer» Long question (5) What will you do for the sustainable management of natural resource? |
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What happens when a ray of light passes through the optical centre of a lens? |
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Answer» What happens when a ray of light passes through the optical centre of a lens?
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| 16555. |
For an inverted image, the sign convention of the height of the image is ___ . |
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Answer» For an inverted image, the sign convention of the height of the image is |
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| 16556. |
What is meant by the 'angle of incidence' and the 'angle of refraction' for a ray of light ? Draw a labelled ray diagram to show the angle of incidence and the angle of refraction for a refracted ray of light. |
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Answer» What is meant by the 'angle of incidence' and the 'angle of refraction' for a ray of light ? Draw a labelled ray diagram to show the angle of incidence and the angle of refraction for a refracted ray of light. |
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| 16557. |
An electric heater is rated at 2 kW. Electrical energy costs Rs 4 per kWh. What is the cost of using the heater for 3 hours ? (a) Rs 12 (b) Rs 24 (c) Rs 36 (d) Rs 48 |
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Answer» An electric heater is rated at 2 kW. Electrical energy costs Rs 4 per kWh. What is the cost of using the heater for 3 hours ? (a) Rs 12 (b) Rs 24 (c) Rs 36 (d) Rs 48 |
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| 16558. |
Who are the stakeholders for a forest ? |
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Answer» Who are the stakeholders for a forest ? |
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