Home
Class 11
PHYSICS
Find a vector, which is parallel to vec ...

Find a vector, which is parallel to `vec v = vec i - 2 vec j` and has a magnitude 10.

Promotional Banner

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER

    CHETANA PUBLICATION|Exercise EXERCISE|190 Videos

  • Unit Test 2

    CHETANA PUBLICATION|Exercise EXERCISE|36 Videos

Similar Questions

Explore conceptually related problems

Find a vector which is parallel to oversetrarrv = hati - 2hatj and has magnitude 10.

An electron is moving with an initial velocity vec v = v_0 vec i and is in a magnetic field vec B = B_0 vec j . Then its de Broglie wavelength

A square of side L meters lies in the x-y plane in a region , where the magnetic field is given by vec B = B_0 (2 vec i + 3 vec j + 4 vec k) T where B_0 is constant. The magnitude of flux passing through the square is

The edges of a parallelopiped are of unit length and are parallel to non-coplanar unit vectors vec a, vec b, vec c such that hat a.hatb=hatb .hatc=hatc.hata=1/2 . Then, the volume of parallelopiped is

The resultant of two vectors vec(P) and vec(Q) is vec(R ) . If the magnitude of vec(Q) is doubled, the new resultant vector becomes perpendicular to vec(P) . Then, the magnitude of vec(R ) is equal to

If the position vector of a point A is vec a + 2 vec b and vec a divides AB in the ratio 2:3 , then the position vector of B, is

Assertion : If dot product and cross product of vec(A)andvec(B) are zero, it implies that one of the vector vec(A)andvec(B) must be a null vector. Reason: Null vector is a vector with zero mangnitude.