Science GK in Hindi PDF Download | General Science 40

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LBook Science Gk In Hindi PDF Download … 1000+ General Science and General Knowledge Questions Hindi and English PDF Download by LBook. This General Science Questions are very important for upcoming competitive exams like RRB, SSC, IAS, Bank PO, SSC CGL, RAS, CDS, UPSSSC exams.


Science GK in Hindi PDF Download 40

Question 1
  • One liter is equal to _______ Gallon.
  • एक लीटर कितना गैलेन के बराबर होता है? 
A
0.2442
B
0.2642
C
0.2341
D
0.1642
Question 1 Explanation: 
0.2642
Question 2
  • One Fermi equal to how many meters?
  • एक फर्मी में कितना मीटर होता है?
A
10-12 meter / 10-12 मीटर
B
10-15 meter / 10-15 मीटर
C
10-18 meter / 10-18 मीटर
D
10-10 meter / 10-10 मीटर
Question 2 Explanation: 
10-15 meter / 10-15 मीटर
Question 3
  • Who is the inventor of logarithm?
  • लॉगरिथम के आविष्कारक है?
A
Walter / वाल्टर
B
Richard Day / रिचर्ड डे
C
John Napier / जॉन नेपियर
D
Bond Shaw / बॉड शॉ
Question 3 Explanation: 
John Napier / जॉन नेपियर
Question 4
  • Who is the inventor of Quantum Theory?
  • क्वार्टम सिद्धांत के प्रतिपादक है? 
A
Max Planck / मैक्स प्लांक
B
Coulomb / कुलंब
C
Newton / न्यूटन
D
Edison / एडीसन
Question 4 Explanation: 
Max Planck / मैक्स प्लांक
Question 5
  • Which instrument used to measure the humidity of the atmosphere?
  • वायुमंडल की आर्द्रता को मापने वाला यंत्र है। 
A
Hygrometer / हाइग्रोमीटर
B
Magazine / मैगाफोन
C
Hydrophone / हाइड्रोफोन
D
Hydrometer / हाइड्रोमीटर
Question 5 Explanation: 
Hygrometer / हाइग्रोमीटर
Question 6
  • The orbital velocity of the Earth's satellite depends on _________.
  • पृथ्वी के उपग्रह का कक्षीय वेग निर्भर करता है
A
On the radius of the orbit / कक्षा की त्रिज्या पर
B
At the velocity given to the satellite from Earth / पृथ्वी से उपग्रह को दिए वेग पर
C
At the distance from the Sun / सूर्य से उसकी दूरी पर
D
On the satellite mass / उपग्रह के द्रव्यमान पर
Question 6 Explanation: 
On the radius of the orbit / कक्षा की त्रिज्या पर
Question 7
  • Which energy stored in the key of the clock?
  • घड़ी की चाभी में संचित ऊर्जा कोनसा है? 
A
Pressure energy / दाब ऊर्जा
B
Kinetic energy / गतिज ऊर्जा
C
Potential energy / स्थितिज ऊर्जा
D
None of these / कोई नहीं
Question 7 Explanation: 
Potential energy / स्थितिज ऊर्जा
Question 8
  • If the velocity of a body is increased by 50%, then the value of kinetic energy will be __________.
  • यदि किसी पिण्ड के संवेग 50 % बढ़ा दिया जाए तो गतिज ऊर्जा का मान - 
A
Increased by 125% / 125 % घट जायेगा
B
Increased by 125% / 125 % बढ़ जायेगा
C
Increased by 50% / 50 % घट जायेगा
D
Increased by 50% / 50 % बढ़ जायेगा
Question 8 Explanation: 
Increased by 125% / 125 % बढ़ जायेगा
Question 9
  • Longitudinal wave can be generated –
  • अनुदैर्ध्य तरंग उत्पन्न हो सकती है - 
A
In gas / गैस में
B
Solid / ठोस में
C
In fluid / द्रव में
D
In all mediums / सभी माध्यम में
Question 9 Explanation: 
In all mediums / सभी माध्यम में
Question 10
  • Which medium cannot produce transverse waves?
  • किस माध्यम में अनुप्रस्थ तरंग उत्पन्न नहीं हो सकती? 
A
Iron / लोहा
B
Water / पानी
C
Wind / हवा
D
Mercury / पारा
Question 10 Explanation: 
Wind / हवा
There are 10 questions to complete.

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