Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged ch10
Questions
Choose the correct answer if θ is the angle between two vectors $\overrightarrow a$ and $ \overrightarrow b$, then $ \overrightarrow a \: . \: \overrightarrow b\ \: \geq 0$ only when
cbse
class12
bookproblem
ch10
misc
q16
p459
medium
sec-a
math
asked
Dec 5, 2012
by
thanvigandhi_1
1
answer
Choose the correct answer in the following : let \( \overrightarrow a\) and \( \overrightarrow b\) be two unit vectors and θ is the angle between them. Then \( \overrightarrow a\ + \overrightarrow b\) is a unit vector if
cbse
class12
bookproblem
ch10
misc
q17
p459
easy
sec-b
math
asked
Dec 5, 2012
by
thanvigandhi_1
1
answer
Choose the correct answer if the value of $ \hat i.( \hat j\times \hat k)+ \hat j . (\hat i \times \hat k) +\hat k. (\hat i \times \hat j)$ is
cbse
class12
bookproblem
ch10
misc
q18
p459
easy
sec-a
math
asked
Dec 5, 2012
by
thanvigandhi_1
1
answer
Choose the correct answer if θ is the angle between any two vectors $\overrightarrow a$ and $\overrightarrow b$, then $| \overrightarrow a ⋅\overrightarrow b | \: = \: | \overrightarrow a \times\overrightarrow b |$ when θ is equal to
cbse
class12
bookproblem
ch10
misc
q19
p459
easy
sec-a
math
asked
Dec 5, 2012
by
thanvigandhi_1
1
answer
A discrete random variable X has the following probability distributions (see table below). (i) Find the value of a
tnstate
class12
bookproblem
ch10
sec2
exercise10-1
p203
q4
q4-1
modelpaper
mar-2007
asked
Nov 27, 2012
by
balaji.thirumalai
1
answer
Two bad oranges are accidentally mixed with ten good ones. Three oranges are drawn at random without replacement from this lot. Obtain the probability distribution for the number of bad oranges. and find the expected value of the distribution.
tnstate
class12
bookproblem
ch10
sec2
exercise10-1
p203
q3
asked
Nov 27, 2012
by
balaji.thirumalai
1
answer
Two cards are drawn successively without replacement from a well shuffled pack of 52 cards. Find the probability distribution of the number of queens.
tnstate
class12
bookproblem
ch10
sec2
exercise10-1
p203
q2
asked
Nov 27, 2012
by
balaji.thirumalai
1
answer
Find the probability distribution of the number of sixes in throwing three dice once.
tnstate
class12
bookproblem
ch10
sec2
exercise10-1
p203
q1
modelpaper
mar-2006
asked
Nov 27, 2012
by
balaji.thirumalai
1
answer
If $$\overrightarrow{a} ,\overrightarrow{b} , \overrightarrow{c}$$ are mutually perpendicular vectors of equal magnitudes, show that the vector $$\overrightarrow{a} + \overrightarrow{b} + \overrightarrow{c}$$ is equally inclined to $$\overrightarrow{a}, \overrightarrow{b} and \overrightarrow{c} $$.
cbse
class12
ch10
sec-b
math
asked
Nov 2, 2012
by
balaji.thirumalai
0
answers
Given $$\overrightarrow{a}, \overrightarrow{b} and \overrightarrow{c}$$ Find a vector $$\overrightarrow{d}$$ which is perpendicular to both $$\overrightarrow{a} and \overrightarrow{b}, and \overrightarrow{c} ⋅\overrightarrow{d} = 15$$
bookproblem
cbse
class12
sec-a
easy
ch10
math
asked
Nov 2, 2012
by
anonymous
0
answers
Find the scalar components and magnitude of the vector joining the points $P (x_1, y_1, z_1)$ and $Q (x_2, y_2, z_2)$.
cbse
class12
bookproblem
sec-a
easy
ch10
math
asked
Nov 2, 2012
by
balaji.thirumalai
1
answer
Write down a unit vector in XY-plane, making an angle of 30° with the positive direction of x-axis.
cbse
class12
bookproblem
ch10
concepts
toolbox
sec-a
easy
math
asked
Nov 2, 2012
by
balaji.thirumalai
1
answer
Page:
« prev
1
...
11
12
13
14
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...