1. Which magnet shapes do we typically see? (a) Bar shaped (b) U-shaped (c) Ring shaped (d) All of the above 2. What was the kind of Matsya-yantra? (a) Depth measuring device (b) Compass (c) Fishing device (d) Clock
Answer (1)
The question asks about typical magnet shapes:
Magnets come in various shapes, each with specific properties that make them suitable for different applications. Here are the common shapes:
(a) Bar shaped : This is one of the most common types of magnets. It is rectangular and straight, making it easy to handle and use in various applications like fraction demos and simple physics experiments.
(b) U-shaped : Also known as a horseshoe magnet, its shape creates a strong magnetic field between the two poles close together, making it useful for picking up heavy metal objects.
(c) Ring shaped : This shape allows the magnet to be used for applications like magnetic bearings or holding things like curtains or shower curtains in place.
(d) All of the above : This option is correct because all listed shapes are common and serve different purposes based on their design.
Therefore, the answer is (d) All of the above.
The question asks about 'Matsya-yantra':
Historically, the Matsya-yantra refers to a device used in ancient times, often related to navigation or aligning. Based on historical records and archaeological findings, it aligns more with a:
(b) Compass : The Matsya-yantra is typically identified as an ancient navigation tool used to determine direction.
Thus, the correct answer is (b) Compass.
