निम्नलिखित में से कौन-सा और दोनों के लंबवत इकाई सदिश हैं?

Answer (Detailed Solution Below)

Option 1 :
Free
NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

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संकल्पना:

माना कि  और  दो सदिश हैं, तो सदिश ,  और  दोनों के लंबवत है। 

गणना:

यहाँ,  और 

दोनों के लंबवत सदिश  होगा। 

 अतः विकल्प (1) सही है। 

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