We read your photo as:
What tool do you use to view the cells?
ScanSolve AI Answer
Answer
(iv) All
Step-by-step solution
3 steps1. Uses of mirrors:
Plane mirror is used in:
- Periscope
- Kaleidoscope
- Rear-view mirrors in vehicles
Answer: (iv) All
Convex mirror is used by shopkeepers as it gives a wide field of view.
Concave mirror is used in solar cookers as it converges sunlight to a point.
2. Fill in the blanks:
The liquid part of blood is called plasma.
Digestion begins in the mouth.
A convex lens is used in a camera.
Plants that make their own food are called autotrophs.
Heterotrophs depend on autotrophs for food.
Saprotrophs feed on dead and decaying matter.
3. Answer the following:
Differentiate between real and virtual image.
Real image:
- Formed when light rays actually meet or converge.
- Can be caught on a screen.
- Always inverted.
Virtual image:
- Formed when light rays appear to meet (diverge).
- Cannot be caught on a screen.
- Erect (same side as object).
What is a battery?
A battery is a device that stores chemical energy and converts it into electrical energy through electrochemical reactions.
Define refraction of light.
Refraction of light is the bending of a light ray as it passes from one transparent medium to another due to change in its speed.
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