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Uses of Ultrasonics:
1. Ultrasonic are used in diagnosis of disease, physical therapy as surgical tool & industry.
2. They are used in sounding devices to calculate the depth of a sea.
3. They are used to get cross sectional pictures of patient in hospitals.
Brass: When copper is alloyed zinc (60% copper, 40% zinc) is called brass. It is widely used as a current carrying and structural material in switches and plugs etc. Propertie
landfalls is a natural disasters, and to determine how fast and how far mass movement moves can work energy equations be used.
calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?
Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wave-fronts in front of the source com
Energy Conservation on an Incline In the given case of the cart rolling down predispose and there are three external forces (the general force, the force of friction and air re
Cathode rays are made up of: (1) Positively charged particles (2) Negatively charged particles (3) Neutral particles (4) None of these Ans: (2)Negatively charged pa
what is energy distribution function
Explain the formula of the Stefan law. STEFAN'S LAW: P = σ AT 4 Here: P = Power radiated into W (J/s) σ = Stefan's Constant 5.67 x 10 -8 W m -2 K -4 A = Su
What do you mean by Normal shift? How can you calculate total internal reflection? Mention an application of total internal reflection.
If the distance between two objects, each of mass 'M', is tripled, the force of attraction between the two objects is: a) 1/2 the original force b) 1/3 the original fo
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