Advertisements
Advertisements
प्रश्न
Write two uses of the following radiation.
X-rays
Give any two uses of X-rays.
Advertisements
उत्तर
- X-rays are used in medical diagnostics to find bone fractures, lung TB, gall bladder stones, and kidney stones.
- They are employed in engineering to inspect bridge defects.
- To inspect industrial materials for cracks or defects.
APPEARS IN
संबंधित प्रश्न
What role dose infra-red radiation play in physical therapy?
Name the phenomenon which shows the quantum nature of electromagnetic radiation.
Heat at the rate of 200 W is produced in an X-ray tube operating at 20 kV. Find the current in the circuit. Assume that only a small fraction of the kinetic energy of electrons is converted into X-rays.
If the operating potential in an X-ray tube is increased by 1%, by what percentage does the cutoff wavelength decrease?
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
Name the scientist who discovered radio waves
Give one use of electromagnetic radiation in Microwaves.
Given below in the left column are different modes of communication using the kinds of waves given in the right column.
| A. | Optical Fibre Communication |
P. | Ultrasound |
| B. | Radar | Q. | Infrared Light |
| C. | Sonar | R. | Microwaves |
| D. | Mobile Phones | S. | Radio Waves |
From the options given below, find the most appropriate match between entries in the left and the right column.
Identify the electromagnetic wave whose wavelength range is from about 10-12 m to about 10-8 m. Write one use of this.
What happens when an electron collides with a positron?
