एक कोष्ठीका ज्ञात करने का घनत्व सूत्र
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We know that Indian Railway is the world's second-largest rail network which transports almost 2.5 crore passengers daily. Most often people travel through it. It can be easily accessed from anywhere. It is the best and comfortable medium of transportation. But have you noticed that some tracks of the Indian Railway are wide and some are not? Why is it so? What is the reason behind it?
What is Rail Gauge?
The gauge of the railway track is a clear minimum vertical distance between the inner sides of two tracks is called railway gauge. That is, the distance between the two tracks on any railway route is known as railway gauge. Approximately sixty percent of the world's railway uses standard gauge of 1,435 mm. There are 4 types of railway gauge used in India. Broad gauge, Metre Gauge, Narrow gauge and Standard gauge (for Delhi Metro). Let's study them.