General Science Quiz : 7 October 2019

general science questions for defence exams preparation

Many of you have been practicing a lot for your upcoming exams. Thus, to give you a head start we thought of helping you by bringing out daily General Science quiz of Laws and Motion on NDA, Navy, Air Force and various other defence exams, that will help you boost up your preparation a lot more. Moreover, this quiz contains expected questions which match the Exam Pattern of most of the Defence Job Exams. Today’s Quiz is based on Important Light Questions. We make sure that we provide General Science Bilingual Quiz as students demand for both English and Hindi Language. Make sure to attempt this Important General Science Quiz 7 October 2019 based on Important Light Questions Bilingual (प्रकाशिकी) and check your preparation level.

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  1. Question 1 of 10
    1. Question

    The color of the minimum wavelength in the visible spectrum is
    दृश्य स्पेक्ट्रम में न्यूनतम तरंगदैर्ध्य वाला रंग है 

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  2. Question 2 of 10
    2. Question

    Mirrors used for rear view in vehicles?
    वाहनों में पीछे का दृश्य देखने हेतु प्रयुक्त दर्पण है ?

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  3. Question 3 of 10
    3. Question

    An image larger than the object can be made
    वस्तु से बड़े आकार का प्रतिबिम्ब बनाया जा सकता है

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  4. Question 4 of 10
    4. Question

    For a convex mirror, take both the focus distance $(f)$ and the curvature radius $(r)$
    उत्तल दर्पण के लिए, फोकस दूरी $(f)$ एवं वक्रता त्रिज्या $(r)$ दोनों लेते हैं 

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  5. Question 5 of 10
    5. Question

    A straight rod immersed in water appears to be bent, the reason being
    जल में डूबी हुई सीधी छड मुड़ी हुई प्रतीत होती है, इसका कारण है 

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  6. Question 6 of 10
    6. Question

    What is the function of light fibers?
    प्रकाश तंतु की कार्यविधि अदारित होती है?

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  7. Question 7 of 10
    7. Question

    Convex lenses are used
    उत्तल लेन्स का प्रयोग किया जाता है 

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  8. Question 8 of 10
    8. Question

    If the focus distance of a thin lens is – 25 cm, then nature of the lens is
    एक पतले लेंस की फोकस दूरी – 25 सेमी है, तो लेंस लेंस की प्रकृति है 

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  9. Question 9 of 10
    9. Question

    Convex lens focus distance
    उत्तल लेंस की फोकस दूरी 

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  10. Question 10 of 10
    10. Question

    The reason why the sun appears red at sunrise and sunset?
    सूर्योदय तथा सूर्यास्त के समय सूर्य के लाल दिखाई देने का कारण है ?

    Correct

    Incorrect

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