Short answer type question Question 1. Show that light travels in a straight line with an example. Question 2. What do you understand by the reflection of light? Question 3. Which type of image is called an erect image? Question 4. Verify that the distance between the image and the mirror is the same …
Short answer type questions Question 1. Draw the symbols of the following electric components Electric cell Electric bulb Battery Wire Question 2. What do you mean by a connected circuit? Question 3. What is a battery? Question 4. What happens to the circuit if the switch is in the Off position? Question 5. Why …
CLASS 7 Chapter 14 Electric Current and Its Effects Read More »
Short answer type questions Question 1. Write the different types of motions. Question 2. What do you understand by the term speed? Question 3. Write the formula for finding speed. Question 4. Explain non-uniform motion. Question 5. What is a simple pendulum? Question 6. Explain oscillatory motion. Give two examples. Question 7. What do …
Short answer type questions Question 1. What is temperature? Question 2. What does a thermometer use for? Question 3. Why do we use a clinical thermometer? Question 4. What is the normal temperature of the human body? Question 5. How does heat flow from one body to another? Question 6. Define the term convection. …
Question 1. Fill in the blanks: (a) An image that cannot be obtained on a screen is called ____________. (b) Image formed by a convex __________ is always virtual and smaller in size. (c) An image formed by a __________ mirror is always of the same size as that of the object. (d) An image …
Exercise Questions Question 1. Classify the following as motion along a straight line, circular or oscillatory motion: (i) Motion of your hands while running. (ii) Motion of a horse pulling a cart on a straight road. (iii) Motion of a child in a merry-go-round. (iv) Motion of a child on a see-saw. (v) Motion of …
Question 1: List out the similarities and dissimilarities between the laboratory thermometer and the clinical thermometer. Answer: Similarities between the laboratory thermometer and the clinical thermometer are as follows:- Both Thermometers are made of narrow uniform glass tubes. Both Thermometers have a bulb at one end. Both Thermometers contain mercury in the bulb. Both Thermometers …
Introduction We see a beam of sunlight, a beam of the headlight, a beam of light from the torch. A beam of light from LED. Because of the light, we are able to see things around us.
Introduction An object can move in three types of motion straight-line motion, circular motion or periodic motion. Some objects move fast while some object fast.
Introduction We wear woollen clothes during winter because they keep us warm. We usually prefer to wear light-coloured cotton clothes in summer. These give us a feeling of coolness. In winter you feel cold inside the house. If you move out in the sun, you feel warm. In summer, you feel hot even inside the …
