Concept-wise Practice

white light MCQ Questions for Class 9

white light se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

4 questions tagged with white light.

तीनों योगात्मक प्राथमिक प्रकाशों को समान तीव्रता में मिलाने पर क्या बनता है?

What is produced when all three additive primary lights are combined at equal intensity?

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Correct Answer

B. सफेद प्रकाशWhite light

Step 1

Concept

Equal red green and blue light combine to produce white light. This is the principle of additive mixing.

Step 2

Why this answer is correct

The correct answer is B. सफेद प्रकाश / White light. Equal red green and blue light combine to produce white light. This is the principle of additive mixing.

Step 3

Exam Tip

लाल हरा और नीला प्रकाश समान रूप से मिलने पर सफेद प्रकाश बनाते हैं। यह योगात्मक मिश्रण का सिद्धांत है।

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लाल हरे और नीले प्रकाश को समान मात्रा में मिलाने पर आदर्श रूप से क्या बनता है?

What is ideally produced by mixing equal amounts of red green and blue light?

Explanation opens after your attempt
Correct Answer

C. सफेदWhite

Step 1

Concept

All three additive primary lights at equal intensity produce white light. Note the equal-intensity condition in exams.

Step 2

Why this answer is correct

The correct answer is C. सफेद / White. All three additive primary lights at equal intensity produce white light. Note the equal-intensity condition in exams.

Step 3

Exam Tip

तीनों योगात्मक प्राथमिक प्रकाश रंग समान मात्रा में मिलकर सफेद प्रकाश बनाते हैं। परीक्षा में समान तीव्रता की शर्त ध्यान रखें।

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लाल हरे और नीले प्रकाश को उचित तीव्रता में मिलाने पर कौन सा प्रकाश बनता है?

What light is produced when red green and blue light are combined at suitable intensity?

Explanation opens after your attempt
Correct Answer

C. सफेदWhite

Step 1

Concept

In additive mixing the three light primaries combine to produce white light. This differs from pigment mixing.

Step 2

Why this answer is correct

The correct answer is C. सफेद / White. In additive mixing the three light primaries combine to produce white light. This differs from pigment mixing.

Step 3

Exam Tip

योगात्मक मिश्रण में तीनों प्रकाश प्राथमिक रंग मिलकर सफेद प्रकाश बनाते हैं। यह वर्णक मिश्रण के परिणाम से भिन्न है।

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आरजीबी प्रकाश मॉडल में लाल हरे और नीले प्रकाश को समान तीव्रता से मिलाने पर क्या बनता है?

What is produced when red green and blue light are combined at equal intensity in the RGB model?

Explanation opens after your attempt
Correct Answer

B. सफेद प्रकाशWhite light

Step 1

Concept

Combining all three primary lights produces white light. Call it additive mixing in the exam.

Step 2

Why this answer is correct

The correct answer is B. सफेद प्रकाश / White light. Combining all three primary lights produces white light. Call it additive mixing in the exam.

Step 3

Exam Tip

तीनों प्राथमिक प्रकाशों का योग सफेद प्रकाश देता है। परीक्षा में इसे योगात्मक मिश्रण कहें।

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