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Rules to verify how many significant numbers has in a calculated quantity:
1. All nonzero digits are significant. As like 457 cm has three significant values; 0.25 g has two significant figures.
2. Zeros among nonzero digits are significant. As like, 1005 kg has four significant values; 1.03 cm has three significant values.
3. Zeros to the left of the first nonzero digits in a number are not significant; they merely indicate the position of the decimal point. As like, 0.02g has one important value; 0.0026 cm has two important figures.
4. When a number ends in zeros that are to the right of the decimal point, they are important. As like, 0.0200g has three important values; 3.0cm has two important figures.
Cermets are a hybrid mixture of ceramic and metal. These are made by screening a mixture of glass and metal oxide on to a ceramic substrate. It is then fired at a temperature high
A Rayleigh interferometer (as shown in the figure below) can be used to measure the index of refraction of air. Two transparent tubes (T 1 and T 2 ) are placed behind two slits. O
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Amplifier is a functioning by which the amplitude of variation of ac signal voltage / current/ power can be enhanced (i) Principle and circuit diagram: The amplifying action of
The characteristics of substance by virtue of which it opposes the flow of current by it, is called as the resistance.
The boom DF and the column DE have a uniform weight of P55 N/m and the chain and load at F is P56 kN. Determine the Shear Force in kN rounded to 1 DP and the Bending Moment in kN.
how to use instruments like Vernier calipers and micro screw gauge to measure round objects
what is specific gravity
malaria is caused by? please tell me
Mass energy relation - The total energy of a body is the sum of its kinetic energy and rest mass energy. Particle having rest mass zero always move with the velocity of light.
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