Advertisements
Advertisements
प्रश्न
Name a gas caused by the Greenhouse effect
Advertisements
उत्तर
A gas caused by the greenhouse effect is carbon dioxide.
APPEARS IN
संबंधित प्रश्न
What is thermionic emission?

Complete the diagram as given above by drawing the deflection of radioactive radiations in an electric field
What is meant by radioactivity?
A radioactive nuclide `""_86^226` Ra decays by emission of two alpha particles, one beta particle and gamma rays. Which of the following is the resulting nuclide X?
A certain nucleus A (mass number 238 and atomic number 92) is radioactive and becomes a nucleus B (mass number 234 and atomic number 90) by the loss of one particle.
What particle was emitted?
In a cathode ray tube state the purpose of covering cathode by thorium and carbon.
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z - 2}X + ^4_{2}He}\]
88Ra226 experiences three α - decay. Find the number of neutrons in the daughter element.
The activity of a certain radionuclide decreases to 15 percent of its original value in 10 days. What is its half life?
[ln (0.15) = -1.9]
Calculate the time interval between 33% decay and 67% decay if half-life of a substance is 20 minutes.
