1. A. The reason is that Ta Si . time period of B is more (twice) than that of A. Hence A will make more oscillations (twice) in a given ime, to your answer. than B. simple pendulum 12. State how does the time period of a simple pendulum depend on (a) length of pendulum, (b) mass of boli (c) amplitude of oscillation and (d) acceleration d in a pendulum clock simple pendulum ? Give reason What is a simple pendulum ? Is the pendulum used 2. Define the terms : (i) oscillation, (ii) amplitude, (111) frequency, and (iv) time period as related to a 3. Draw a neat diagram of a simple pendulum. Show on it the effective length of the pendulum and its 4. Name two factors on which the time period of a simple pendulum depends. Write the relation for the time period in terms of the above named factors. 5 Name two factors on which the time period of a simple pendulum does not depend. low is the time period of a simple pendulum one oscillation. to gravity 13. What is a seconds pendulum? 14. State the numerical value of the freque oscillation of a seconds pendulum. Does on the amplitude of oscillation ? Ans. O Multiple choice type : 1. The length of a simple pendul-
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Answer:
1. A. The reason is that Ta Si . time period of B is more (twice) than that of A. Hence A will make more oscillations (twice) in a given ime, to your answer. than B. simple pendulum 12. State how does the time period of a simple pendulum depend on (a) length of pendulum, (b) mass of boli (c) amplitude of oscillation and (d) acceleration d in a pendulum clock simple pendulum ? Give reason What is a simple pendulum ? Is the pendulum used 2. Define the terms : (i) oscillation, (ii) amplitude, (111) frequency, and (iv) time period as related to a 3. Draw a neat diagram of a simple pendulum. Show on it the effective length of the pendulum and its 4. Name two factors on which the time period of a simple pendulum depends. Write the relation for the time period in terms of the above named factors. 5 Name two factors on which the time period of a simple pendulum does not depend. low is the time period of a simple pendulum one oscillation. to gravity 13. What is a seconds pendulum? 14. State the numerical value of the freque oscillation of a seconds pendulum. Does on the amplitude of oscillation ? Ans. O Multiple choice type : 1. The length of a simple pendul-
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Answer:
refer to attachment
Plot P(0, 2) and Q(3, 2). Reflect P in the x-axis
to get P' and reflect Q in the origin to get Q'.
(i) Write the co-ordinates of P' and Q'.
(ii) What is the geometrical figure formed
by joining PQP'Q’?
(iii) Find its perimeter and area.
(iv) Name two points from the figure which
are invariant on reflection in y-axis.
