NEET 2024 Chemistry Question Paper with Answers and Solutions PDF S4

NEET Questions

• 1.

  किसी निश्चित ताप, T (K) पर हो रही किसी एक प्रथम कोटि की अभिक्रिया के लिए वेग स्थिरांक का व्यंजक नीचे दिया गया है। 
  ln k = 14.34 - \(\frac{1.25 \times 10^4}{T}\) 
  अभिक्रिया के लिए, kcal mol\(^{-1}\) में सक्रियण ऊर्जा होती है: 
  (दिया गया है: k, s\(^{-1}\) में, R = 1.987 cal mol\(^{-1}\) K\(^{-1}\)) 
   

  • 12.42
    
  • 14.34
    
  • 18.63
    
  • 24.84
    
  View Solution

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• 2.

  The speed of light in vacuum is taken as unity. If light takes 6 min 40 s to reach the Earth from the Sun, the distance between the Sun and the Earth in new unit is: ____.
  

  • 500
    
  • 3 $\times$ 10⁸
    
  • 400
    
  • 3 $\times$ 10¹⁰
  View Solution

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• 3.

  A room heater is rated 400 W, 220 V. If the supply voltage drops to 200 V, what will be the power consumed (approximately)? ____.
  

  • 121 W
    
  • 200 W
    
  • 400 W
    
  • 331 W
  View Solution

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• 4.

  सूची I को सूची II से सुमेलित कीजिए: 
   

  

  नीचे दिए गए विकल्पों में से सही उत्तर का चयन कीजिए: 
   

  • A-I, B-II, C-III, D-IV
    
  • A-IV, B-III, C-I, D-II
    
  • A-III, B-IV, C-II, D-I
    
  • A-III, B-II, C-I, D-IV
    
  View Solution

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• 5.

  A submarine is designed to withstand an absolute pressure of 100 atm. How deep can it go below the water surface? (Consider the density of water = 1000 kg m⁻³, 1 atm = 1 $\times$ 10⁵ Pa and g = 10 m/s²)
  

  • 990 m
    
  • 9000 m
    
  • 99 m
    
  • 9900 m
  View Solution

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• 6.

  The figure given below shows a long straight solid wire of circular cross-section of radius ‘a’ carrying steady current I. The current I is uniformly distributed across its cross-section. The plot which correctly represents the variation of magnetic field (B) with distance (r) from the axis of the conductor in the region is: ____.
  

  

  • A
  • B
  • C
  • D
  View Solution