If 50 Vernier divisions are equal to 49 main scale divisions of a travelling microscope and one smallest reading of main scale is 0.5 mm, the Vernier constant of travelling microscope is:

(1) 0.1 mm 

(2) 0.1 cm

(3) 0.01 cm

(4) 0.01 mm 

                                         JEE-2024

Solution:                
If 50 Vernier divisions are equal to 49 main scale divisions of a travelling microscope and one smallest reading of main scale is 0.5 mm, the Vernier constant of travelling microscope is: (1) 0.1 mm (2) 0.1 cm (3) 0.01 cm (4) 0.01 mm JEE-2024

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