UP Polytechnic (09 June 2024)

Question 1:

What is the reason for the color of space appearing black?

अंतरिक्ष का रंग काला दिखने का कारण क्या है?

  • छोटे कणों द्वारा प्रकाश का प्रकीर्णन Scattering of light by small particles

  • प्रकाश का प्रकीर्णन नहीं होने के कारण Due to no scattering of light

  • बड़े कणों द्वारा प्रकाश का प्रकीर्णन Scattering of light by large particles

  • प्रकाश का अपवर्तन नहीं होने के कारण Due to no refraction of light

Question 2: UP Polytechnic (09 June 2024) 1

  • b

  • a

  • d

  • c

Question 3: UP Polytechnic (09 June 2024) 1

  • a

  • b

  • c

  • d

Question 4: UP Polytechnic (09 June 2024) 5

  • c

  • b

  • a

  • d

Question 5: UP Polytechnic (09 June 2024) 7

  • a

  • c

  • b

  • d

Question 6: UP Polytechnic (09 June 2024) 9

  • d

  • c

  • b

  • a

Question 7: UP Polytechnic (09 June 2024) 11

  • 5

  • –1

     

  • 1

     

  • –5

Question 8: UP Polytechnic (09 June 2024) 13

  • b

  • a

  • d

  • c

Question 9:

Formamide has the formula

फॉर्मेमाइड का सूत्र होता है

  • (HCHO+NH3)

  • HCOONH4

  • HCONH2

  • CH3 CONH2

Question 10: UP Polytechnic (09 June 2024) 16

  • a

  • b

  • d

  • c

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