How is radiation emitted from the body?
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the time period of three pendulums are given in a sequence as a= 1.27s b=0.85s c=0.99s the given sequence may not be correct arrange the time period in a correct sequence
What is ultrasonic sound?
the department of energys b-factory at the stanford linear accelerator lab is designed to collide electron and positron beams of unequal energies and producemillions of these particles, which are commonly called?
Describe the Sphygmanometer?
What is the quantity?
Explain the Homogenous ?
Why does the colour of a material look differently in sunlight that than in the electrical-lamp
a car is travelling at 72kmph, and if that car slows down to 60kmph it takes an extra 1 hour to cover that same distance. at 72kmph, how long did it take for the car to cover that distance?
heat cannot pass from a cooler substance to a warmer substance without some other process being involved. This is an example of which law of thermodynamics?
Explain what is different between secondary electron image and back scattered electron image?
Explain what is the ray of light?
Why dies the earth move round the sun, and the moon round the earth ?