The dimension of 1/2ε₀E², where ε₀ is permittivity of free space and E is electric field
The dimension of 1/2ε₀E², where ε₀ is permittivity of free space and E is electric field, is: Options (a) ML²T⁻²…
7 years ago
Easy
If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is
If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is Options (a) 0…
7 years ago
At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10?
At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10? Options (a)…
7 years ago
A bullet is shot from a riffle. As a result the rifle recoils.The kinetic energy of riffle
A bullet is shot from a riffle. As a result the rifle recoils.The kinetic energy of riffle as compared to that of…
7 years ago
A body is rolling down an inclined plane.If KE of rotation is 40% of KE in a translatory
A body is rolling down an inclined plane. If KE of rotation is 40% of KE in a transitory state, then their…
7 years ago
Vectors A⃗, B⃗ and C⃗ are such that A⃗ . B⃗ = 0 and A⃗ . C⃗ = 0 Then the vector parallel
Vectors A⃗, B⃗ and C⃗ are such that A⃗ . B⃗ = 0 and A⃗ . C⃗ = 0 Then…
7 years ago
A moving neutron collides with a stationary α-particle.The fraction of the kinetic energy
A moving neutron collides with a stationary α-particle.The fraction of the kinetic energy lost by the neutron is Options (a)…
7 years ago
If force(F),length(L) and time(T) be considered fundamental units, then the units of mass
If force(F),length(L) and time(T) be considered fundamental units, then the units of mass will be Options (a) [FLT⁻²] (b) [FL⁻²T⁻¹]…
7 years ago
The horizontal range and maximum height of a projectile are equal.The angle of projection
The horizontal range and maximum height of a projectile are equal.The angle of projection is Options (a) θ=tan⁻¹(1/4) (b) θ=tan⁻¹(4)…
7 years ago
A and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
A and B are two vectors and θ is the angle between them ,if ｜A x B｜=√3(A･B),the value of θ…
7 years ago