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Question
1. Discuss the physical characteristics of an X-ray beam. Write a note on factors influencing the quality and intensity of the X-ray beam
2. Explain the construction of gamma camera
3. Explain briefly the construction and principle of auto transformer
4. Write short note on following
5. How are radiotherapy tubes different from radiographic tubes? Explain
Relation among velocity wavelength and Frequency: Consider a wave of wavelength , frequency f and travelling with velocity v. The distance travel by the sound wave during th
Using a wheel and axle Use the pencil sharpener that you used in experiment A 8. Pull on the end of the string that held the books and observe how rapidly the crank turns.
Semi Conductors: Substance which are neither good Conductor, like metals nor very bad conductors like non metals are known as Semi conductors Examples of such substances are si
A plane monochromatic wave travelling in a homogeneous medium goes into a denser medium. What are the changes in (i) Frequency (ii) amplitude (iii) speed of propagation & (iv) Phas
Semi conductors: Semi conductors are these substances which lie among conductor and insulators. Semi conductor is those substances which hardly pass electric current by them
Show the mathematical relation connecting n,u,v and R for refraction at a spherical surface concave towards a point object in a denser medium producing a virtual image.
It is the opposition offered by the material of the flux. Reluctance α mean length of flux path and reluctance α 1/cross section A Reluctance=1/μ 0 μ r A Here μ 0 a
when an object is dropped, what is its acceleration at the moment of release? Explain with reasoning.
Tiger Woods can hit a golf ball with 55 N of force. How hard does the ball hit back on the club? (a) more than 55 N of force, (b) less than 55 N of force, (c) exactly 55 N of force
Are the side emitting fibers with reflecting core more luminous? To answer this honestly is very much as trying to find out the sex of the angels. When a side emitting light gu
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