Related Questions

When an object enters earths atmosphere, it travels ----
A very repidly
B in a rapid manner
C fastly
D rapidly
Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth's atmosphere?
A Oxygen and nitrogen
B Nitrogen and carbon dioxide
C Ozone and oxygen
D Water vapor and carbon dioxide
Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect?
A CO2
B H2
C SO3
D N2
Of the gases listed below, which is not believed to be responsible for enhancing the earth's greenhouse effect?
A Chlorofluorocarbons (CFCs)
B Molecular oxygen (O2)
C Nitrous oxide (N2O)
D Carbon dioxide (CO2)
E Methane (CH4)
The greenhouse effect is caused by the higher level of which gas in the atmosphere ?
A Carbon monoxide
B Carbon dioxide
C Nitrous oxide
D Sulphur dioxide
Which of the following gases are responsible for the greenhouse gas effect on Earth?
A Water Vapour and Carbon dioxide
B Carbon dioxide and Nitrogen
C Oxygen and Methane
D Ozone and Methane
The Greenhouse effect gases trap only the heat of:
A All heat
B UV Rays
C Solar Radiation
D Thermal Radiation
Which of the following is not a primary contributor to the greenhouse effect?
A carbon dioxide
B carbon monoxide
C chlorofluorocarbons
D methane gas
একটি স্টেপ আপ ট্রান্সফরমারে, গৌণ কুণ্ডলীর পাকসংখ্যা মুখ্য কুন্ডলীর পাকসংখ্যার দ্বিগুণ। যদি মূখ্য কুন্ডলীকে কোন পরিবর্তী বিদ্যুৎ লাইনের সাথে সংযুক্ত করা হয়, তাহলে মুখ্য কুণ্ডলীর তুলনায় গৌণ কুণ্ডলীতে- (In a step up transformer, the number of turns in the secondary coil is twice to that of primary coil. If you apply an alternating current in the primary coil, then in the secondary coil compared to the primary coil-)
A তড়িৎ প্রবাহের মান দ্বিগুণ হবে (current will be doubled)
B তড়িৎ প্রবাহের মান অর্ধেক হবে (current will be halved)
C তড়িৎ বিভবের মান অর্ধেক হবে (voltage will be halved)
D তড়িৎ প্রবাহের মান সমান থাকবে (Current will remain the same)
Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the
A Forestation
B Rain
C Green house effect
D Vegetation

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