Write one use of each of the x-ray and ϒ-ray. Mention one harmful effect of γ-ray.
WBBSE
Class X
Physical Science
Atomic Nucleus
03 Mark
2023
Uses
- X-ray: X-rays are commonly used in medical imaging to visualize the internal structures of the body, such as bones and teeth, helping in the diagnosis of fractures and other conditions.
- γ-ray (Gamma-ray): Gamma rays are used in cancer treatment (radiotherapy) to target and destroy cancer cells.
Harmful Effect of γ-ray
One harmful effect of gamma rays is that they can cause DNA damage in living cells, potentially leading to mutations, cancer, or radiation sickness.
Related Questions
More WBBSE Moderate level questions
1/12
Q.
State the S.I. unit of radioactivity.
A.
Becquerel / Bq Explanation: The S.I. unit of radioactivity is the becquerel...
Q.
Which of the following rays has the highest capacity to ionise gases? (a) α-ray (b)...
A.
(a) α-ray Explanation: α-rays, β-rays, and γ-rays are types of radioactive rays...
Q.
How can the given conversion be carried out?
A.
The given conversion of ethene (H₂C = CH₂) to ethane (H₃C –...
Q.
State the resistance of 220 V – 100 W bulb
A.
Power (P) = Resistance (R) = = = = 484 Ω
Q.
For which value of the angle of incidence in refraction of light is Snell’s law...
A.
Snell’s law is not applicable when the angle of incidence is 0°.
Q.
Write whether the following statement is true or false: If coefficient of linear expansion of...
A.
True Explanation: Coefficient of cubical expansion γ = 3 × coefficient of...
Q.
What is the number of molecules present in 16 g of O₂ at S.T.P.?
A.
3.011 × 10²³ Explanation: Given mass = 16 g Molecular mass =...
Q.
Write whether the following statement is true or false: According to Charles’ law, at (–)...
A.
False Explanation: Charles' law states volume becomes zero at absolute zero (-273°C),...
Q.
Write the name of monomer of a polymer which is used to prepare non-stick utensils.
A.
Tetra fluoro ethylene Explanation: Polytetrafluoroethylene (PTFE or Teflon) is used for non-stick...
Q.
Write down the IUPAC name of the following organic compound
A.
2-Bromopropane or (1) CH₃–CH₂–CH₂–OH → Propane-1-ol(2) CH₃–CH(OH)–CH₃ → Propane-2-ol
Q.
Name the metal which is extracted in thermite process.
A.
Fe Explanation: Thermite process reduces metal oxides using Al at high temperature...
Q.
Fill up the blank: CaC₂ + N₂ → ____ + C
A.
CaNCN / CaCN₂ (Calcium cyanamide) Explanation: Haber's process uses Fe as catalyst...