Q2

Hindustan Times (Delhi) - HT Education - - Front Page -

In the Rays and Op­tics chap­ter, this is an im­por­tant ques­tion, in which most stu­dents get con­fused as to what the vir­tual ob­ject is.

In most cases the stu­dent as­sumes that, when the con­verg­ing ray falls on an op­ti­cal el­e­ment, the ob­ject is kept at in­fin­ity. The stu­dent needs to un­der­stand and re­mem­ber, like in the above case, when­ever con­verg­ing rays fall on an op­ti­cal el­e­ment, the ob­ject is vir­tual. In the ab­sence of the op­ti­cal el­e­ment, the point of con­ver­gence is the po­si­tion of vir­tual ob­ject and ob­ject dis­tance from op­ti­cal el­e­ment to the point of con­ver­gence be­hind the op­ti­cal el­e­ment.

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