The image of an object formed by a device is always virtual and small. The device in question is a 1 Concave lens 2 Concave mirror 3 Convex lens 4 Glass plate
3 12589. The speed of light will be minimum while passing through (a) Glass (b) Vaccum (c) Water (d) Air
11 52993Post New TTA General Knowledge_Current Affairs Interview Questions
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