Kinematics Question 282

Question: Let $ \overrightarrow{A}=\hat{i}A\cos \theta +\hat{j}A\sin \theta $ be any vector. Another vector $ \overrightarrow{B} $ Which is normal to a is [BHU 1997]

Options:

A) $ \hat{i}B\cos \theta +jB\sin \theta $

B) $ \hat{i}B\sin \theta +jB\cos \theta $

C) $ \hat{i}B\sin \theta -jB\cos \theta $

D) $ \hat{i}B\cos \theta -jB\sin \theta $

Show Answer

Answer:

Correct Answer: C

Solution:

Dot product of two perpendicular vector will be zero.



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक