Advertisements
Advertisements
Question
Name the scientist who discovered
X-rays
Advertisements
Solution
Roentgen
APPEARS IN
RELATED QUESTIONS
Why are microwaves considered suitable for radar systems used in aircraft navigation?
What role dose infra-red radiation play in physical therapy?
Name the radiations of wavelength just shorter than 4 × 10-7 m.
When a Coolidge tube is operated for some time it becomes hot. Where does the heat come from?
Can X-rays be used for photoelectric effect?
An X-ray beam can be deflected
An e.m. wave exerts pressure on the surface on which it is incident. Justify.
Radio waves of constant amplitude can be generated with.
The half-value thickness of an absorber is defined as the thickness that will reduce exponentially the intensity of a beam of particles by a factor of 2. The half-value thickness in (µm) for lead assuming X-ray beam of wavelength 20 pm, µ = 50 cm-1 for X-rays in lead at wavelength λ = 20 pm, is ______ µm.
Below is an incomplete table showing the arrangement of electromagnetic spectrum in the increasing order of their wavelength. Complete the table:
| Gamma ray | X - ray | UV rays | Visible rays | Infrared | A | Radio waves |
- Identify the radiation A.
- Name the radiation used to detect fracture in bones.
- Name one property common to both A and Radio waves.
