NEET 2024 Botany Question Paper with Answers and Solutions PDF R6

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• 1.

  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
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• 2.

  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
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• 3.

  When \(1\ dm^3\) of \(CO_2\) gas is passed over hot coke, the volume of gaseous mixture after complete reaction at STP becomes \(1.4\ dm^3\). The composition of the gaseous mixture at STP is:

  • \(0.6\ dm^3\) of \(CO\), \(0.8\ dm^3\) of \(CO_2\)
    
  • \(0.6\ dm^3\) of \(CO\), \(0.9\ dm^3\) of \(CO_2\)
    
  • \(0.8\ dm^3\) of \(CO\), \(0.6\ dm^3\) of \(CO_2\)
    
  • \(0.8\ dm^3\) of \(CO\), \(0.7\ dm^3\) of \(CO_2\)
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• 4.

  A box of mass 15 kg is kept on the floor of a stationary trolley. The coefficient of static friction between the box and the trolley is 0.12. Keeping the box in stationary state over the trolley, the maximum acceleration with which the trolley can be moved horizontally in m s⁻² is: ____.
  

  • 1.2
    
  • 1.8
    
  • 1.5
    
  • 2.1
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• 5.

  हालाँकि लैंथेनॉयडों में +3 ऑक्सीकरण अवस्था सबसे अधिक सामान्य रूप से पाई जाती है, फिर भी सीरियम +4 ऑक्सीकरण अवस्था प्रदर्शित करता है क्योंकि : 
   

  • इसके निकटतम उत्कृष्ट (अक्रिय) गैस रेडॉन है।
    
  • एक और इलेक्ट्रॉन की हानि के पश्चात, यह 4f\(^{14}\) इलेक्ट्रॉनिक विन्यास प्राप्त कर लेता है।
    
  • इसका परमाणु क्रमांक 61 है।
    
  • एक और इलेक्ट्रॉन की हानि के पश्चात, यह 4f\(^0\) इलेक्ट्रॉनिक विन्यास प्राप्त कर लेता है।
    
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• 6.

  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
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