Test-7/ Education Venue Smart Classes Khunti

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Quizzes Created: 3 | Total Attempts: 495
| Attempts: 165 | Questions: 12
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1. LASER का विस्तार है-

Explanation

The correct answer is "LIGHT AMPLICATION BY STIMULATED EMISSION OF RADIATION". This is because LASER stands for "Light Amplification by Stimulated Emission of Radiation".

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Test-7/ Education Venue Smart Classes Khunti - Quiz

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2. शीतल पेय पधार्थों में किस  अम्ल का प्रयोग किया जाता है?

Explanation

शीतल पेय पदार्थों में कार्बोनिक अम्ल का प्रयोग किया जाता है।

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3. ओम के नियमानुसार प्रवाहित धरा किसके समानुपाती होता है?

Explanation

According to Ohm's law, the current flowing through a conductor is directly proportional to the potential difference across it. This means that the current is equal to the potential difference divided by the resistance. Therefore, the correct answer is "विभवान्तर के" (potential difference).

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4. किन लेंसों को अभिसारी लेंस कहा जाता है?

Explanation

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5. शक्ति का SI  मात्रक क्या होता है?

Explanation

The SI unit of power is the watt. Power is the rate at which work is done or energy is transferred or converted. It is measured in watts, which are equal to one joule per second.

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6. सूर्य का निकटम तारा मन जाता है-

Explanation

The correct answer is "प्रोक्सिमा सेंचुरी को". This is because Proxima Centauri is the closest star to the Sun. It is located about 4.24 light-years away from the Sun and is part of the Alpha Centauri system. Proxima Centauri is a red dwarf star and is too faint to be seen with the naked eye from Earth. However, it is still considered the closest star to our solar system.

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7. विधुत धरा का SI मात्रक क्या होता है?

Explanation

The SI unit of electric current is ampere (एम्पेयर).

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8. हाइड्रोजन के समस्थ्निकों  की संख्या कितनी होती है?

Explanation

The question is asking for the number of isotopes of hydrogen. Hydrogen has three isotopes: protium (1H), deuterium (2H), and tritium (3H). Therefore, the correct answer is 3.

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9. आलू किसका महत्वपूर्ण उद्धरण है?

Explanation

not-available-via-ai

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10. किस रंग के प्रकाश की चाल सर्वाधिक होती है?

Explanation

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11. फ्यूज का तार किसका मिश्र धातु का प्रयोग किया जाता है?

Explanation

The correct answer is "लेड और सीसा" because a fuse wire is made by combining lead and tin.

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12. फेरस सलफेट का सामान्य नाम क्या है?

Explanation

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LASER का विस्तार है-
शीतल पेय पधार्थों में किस...
ओम के नियमानुसार प्रवाहित...
किन लेंसों को अभिसारी लेंस...
शक्ति का SI  मात्रक क्या...
सूर्य का निकटम तारा मन...
विधुत धरा का SI मात्रक क्या...
हाइड्रोजन के समस्थ्निकों...
आलू किसका महत्वपूर्ण...
किस रंग के प्रकाश की चाल...
फ्यूज का तार किसका मिश्र...
फेरस सलफेट का सामान्य नाम...
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