Question
Give two examples of periodic motion.
✓
Answer
Examples of periodic motion:
- Motion of a pendulum: The bob of a pendulum repeats itself at a certain time period. This motion is called periodic motion.
- Motion of a boy sitting on a swing: The motion of a swing repeats itself at a certain time period. Hence, a boy sitting on a swing has periodic motion.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Explain the manner in which light travels with the help of an activity.
Look at which shows three situation:
Which of these shows a reversible change and why?
- A burning candle.
- An extinguished candle.
- Melting wax.
Which of these shows a reversible change and why?
The pie charts $A$ and $B$ shown in Fig. are based on waste segregation method adopted by two families $X$ and $Y$ respectively.
Which of the two families $X$ or $Y$ do you think is more environmentally conscious and why?
→Which of the two families $X$ or $Y$ do you think is more environmentally conscious and why?
Discuss traditional versus modern culinary practices in India.
Reshma has trouble seeing things in dim light. The doctor tested her eyesight and prescribed a particular vitamin supplement. He also advised her to include a few food items in her diet.
(i) Which deficiency disease is she suffering from?
(ii) Which food component may be lacking in her diet?
(iii) Suggest some food items that she should include in her diet to overcome this problem (any four).
(i) Which deficiency disease is she suffering from?
(ii) Which food component may be lacking in her diet?
(iii) Suggest some food items that she should include in her diet to overcome this problem (any four).
Differentiate between herbivores and omnivores
Read the items of food listed below. Classify them into carbohydrate rich, protein rich and fat rich foods.
Moong dal, fish, mustard oil, sweet potato, milk, rice, egg, beans, butter, buttermilk (chhachh), cottage cheese (paneer), peas, maize, white bread
Moong dal, fish, mustard oil, sweet potato, milk, rice, egg, beans, butter, buttermilk (chhachh), cottage cheese (paneer), peas, maize, white bread
Draw the diagram of a bee hive.
While a mechanic was repairing a gadget using a screwdriver, the steel screws kept falling down. Suggest a way to solve the problem of the mechanic on the basis of what you have learnt in this chapter.
Label and colour the different parts of the plant given below.
