Vector Algebra Question 336
Question: If r be position vector of any point on a sphere and a, b are respectively position vectors of the extremities of a diameter, then
[MP PET 1994]
Options:
A) $ \mathbf{r},.,(\mathbf{a}-\mathbf{b})=0 $
B) $ \mathbf{r},.,(\mathbf{r}-\mathbf{a})=0 $
C) $ (\mathbf{r}+\mathbf{a}),.,(\mathbf{r}+\mathbf{b})=0 $
D) $ (\mathbf{r}-\mathbf{a}),.,(\mathbf{r}-\mathbf{b})=0 $
Show Answer
Answer:
Correct Answer: D
Solution:
- It is a fundamental property.
BETA
