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To determine the acceleration due to gravity using a simple pendulum.Apparatus: Pendulum, meter scale, stand, stop watch, vernier callipers.Procedure:1. The diameter of the bob is determined by using vernier callipers and then its radius (r) is calculated.2. Find the length of the pendulum l using a metre scale.3. Draw the bob aside giving a small amplitude and release it4. Then the pendulum starts its oscillation5. Find the time taken for ‘n' complete oscillation using stop watch and divide the time by ‘n' to get the time taken for one oscillation6. Calculate the value of l/T2.7. This experiment is repeated for different values of ‘l' (Say 30, 40, 50, 60, 70 and 80 cm) and find in each case the time period. The results are tabulated each time. and the average value of l/T28. Then the value of ‘g' can be calculated by the formula g = 4πr2( l/T2)
A 1200-kg cannon is placed at rest on an ice rink. A 95.0-kg cannonball is shot from the cannon. If the cannon recoils at a speed of 6.80 m/s. What is the speed of the canno
How many integers satisfy the inequality |10(x+1)/x^2+2x+3|=1?
Define the terms threshold frequency and stopping potential in relation to the phenomenon of photoelectric effect. How is the photoelectric current affected on enhancing the (i)
The project consists of a word processed (typed) report submitted by the project report due date. Late submissions are penalized 10% of the mark per day, including Saturdays and Su
Break a stick with inertia Secure a small stick 18 to 20 cm in length. If no other stick is available a lead pencil will do. Fold a newspaper and place it near the edge of a ta
Properties of Lines of Flux To make the imaginary lines of flux describe the behaviour of the magnetic field we must give them appropriate properties. Thus lines of flux have
Can you give the S.I unit of electric displacement vector?
A sled slides down a frictionless track and loops the loop without falling off. What is the minimum value of h in terms of r ? The only other information given is that the an
An aquarium for larger water animals A glass aquarium 50 cm by 25 cm is of useful size. Old accumulator cells are suitable, but the glass is not very obvious. To prepare l
Illustrate the mechanism of piezoelectric effect? Mechanism of Piezoelectric effect: Piezoelectric and inverse piezoelectric consequences are only exhibited through certain
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