Advertisements
Advertisements
प्रश्न
Define one roentgen.
टीपा लिहा
Advertisements
उत्तर
One roentgen is defined as the quantity of radioactive substance which produces a charge of 2.58 × 10-4 coulomb in 1 kg of air under standard conditions of pressure, temperature, and humidity.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Write the uses of Ceramic.
______ is used in the treatment of hyperthyroidism.
Which of the following is the radio isotope in pair?
\[\ce {^39_19 K , ^40_19 K}\]
Give reason for your answer.
_______ isotope is used for the treatment of cancer.
Which radioactive material is present in the ore of pitchblende?
Write any three features of natural and artificial radioactivity.
State Soddy and Fajan’s displacement law.
'X – rays should not be taken often'. Give the reason.
Give one example of a radio isotope.
State one use of radio isotopes.
