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Laboratory steelyard
To make a steelyard weighing to 500 g use a wooden lath only one metre long balanced on a strong sewing needle stuck by it 3mm from its upper edge and 12 cm from one end. A disk of lead or anything suitably heavy can be used as counter-weight: if lead is used, a disk of it can be 'cast' in a tin lid.
A wire stirrup carrying a boot polish tin lid serves as scale pan and can be suspended 6 cm from the pivot.
What are multistranded fibers? Multistranded optics is narrow walled tubes of transparent material that housing a number of smaller solid core fibers. These inner fibers are, u
Two straight, parallel, current carrying conductors are kept at a distance from each other, in air. The direction of present in both the conductors is the same. Find the magnitude
What is the Static Electricity Have you ever had your hair stand on end after rubbing a balloon on your hair before a birthday party? You have probably experienced static e
An astronaut on a small planet wishes to measure the local value of g by timing pulses traveling down a wire which hasa large object suspended from it. Assume a wire of mass3.50
neutral point
Q. Why there is no horizontal acceleration during projectile motion? Ans: The gravitational force (F)acting on the particle during its flight has only vertical component i.e. F(co
The Centralia power plant emits SO 2 at the rate of 150 g/s. It has an effective stack height of 50 m. Surface winds at 10 m are steady at 2.5 m/s and it is a fall afternoon. a
The color of sky is blue but the wavelenght of violet and indigo is small than that of blue.Then why the color of sky is blue? Ans) The particles in the atmosphere are able to
Can the whole charge of a body is transfer to another body
a spacecraft is moving relative to the earth. an observer finds that according to her clock 3601 seconds elapse between 1pm and 2pm on the spacecrafts clock. what is the spacecraft
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