सामान्य ज्ञान : विज्ञान

छाया देखने के लिए क्या आवश्यक है? , What is needed to see shadow ?

छाया देखने के लिए क्या आवश्यक है?

What is needed to see shadow ?
A. प्रकाश के स्रोत (Source of light)

B. स्क्रीन (Screen)

C. एक अपारदर्शी वस्तु (An opaque object)

D. ये सभी ( All of these)



Correct Answer :

D. ये सभी



Explanation
To see a shadow we need a source of light, an opaque object in the path of light and a screen.
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