Class 4 Hindi - WEST-BENGAL
Camera
Class 4 students of West Bengal (WBBSE) will learn about the wonderful machine called the camera in this chapter. A camera is a device used to take photographs and record videos to capture our precious memories. Students will discover how a camera works like our eyes, the importance of capturing moments, and the basic parts of both old and modern digital cameras. This chapter is very important for board exams as it helps students understand basic technology used in daily life. Questions from this chapter test the child's understanding of how machines help us see and store pictures forever.
Start Learning FreeKey Concepts
What is a Camera?
A camera is an electronic device that takes pictures and records videos by capturing light.
Lens
The lens is like the glass eye of the camera that lets light in to make a clear picture.
Flash
The flash gives bright light when it is too dark so that we can see things clearly in the photo.
Memory Card
A small chip inside the digital camera where all our clicked photos are saved safely.
Smartphone Camera
Modern mobile phones come with built-in cameras that let us take photos anywhere easily.
Important Formulas
Board Exam Info
In West Bengal (WBBSE) Class 4 exams, this chapter usually carries 5 to 8 marks. Common question types include fill in the blanks, matching parts of a camera, and short answer questions like 'What is the use of a camera?' or 'Name two types of cameras'.
Frequently Asked Questions
Who invented the camera?
The first permanent photograph was made by Joseph Nicéphore Niépce in 1826 using a primitive camera.
How does a camera work?
A camera works by letting light pass through the lens to capture an image on a light-sensitive surface or digital sensor.
Is our eye like a camera?
Yes! Our eyes work very much like a camera because light enters through the pupil (lens) and forms an image at the back of the eye.
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