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Raj wardhan from St. Thomas School, Ranchi
Subject :ICSO    Class : Class 5

For which of the following reasons Blu-ray disc provides higher storage capacities than a DVD?
A The data is read by blue violet laser.
B The pits on blu-ray is much smaller than the DVD.
C It is circular in shape.
D Both (A) and (B)


Explanation

Ans 1:

Purohit Mohit Viralbhai from SDA higher secondary school, ahemdabad
Class : Class 8
Option D is correct The data is read by much smaller blue violet laser and also the pits on the CD are the largest,of medium size on the DVD and smallest on the Blu-ray disc

Ans 2:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
It should be both A and B because in blu-ray disc (BD), the data is read by blue- violet laser, hence the name.

Ans 3:

Arnav Poul from Navrachana School, Vadodara
Class : Class 5

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