The component of vector A=2i+3j along the vector i+j is
The component of vector A=2i+3j along the vector i+j is Options (a) 5/√2 (b) 10√2 (c) 5√2 (d) 5 Correct…
7 years ago
Physics
The potential energy of a system increases if work is done
The potential energy of a system increases if work is done Options (a) upon the system by a non conservative…
7 years ago
Which one of the following is not a unit of young’s modulus?
Which one of the following is not a unit of young's modulus? Options (a) Nm⁻¹ (b) Nm⁻² (c) Dyne cm⁻²…
7 years ago
IF A⃗ and B⃗ are two vectors and θ is the angle between them
If A and B are two vectors and θ is the angle between them, if (A x B) = √3…
7 years ago
The quantity having the same units in all systems of unit is
The quantity having the same units in all systems of unit is Options (a) mass (b) time (c) length (d)…
7 years ago
Given A=4i+6j and B=2i+3j. Which of the following is correct?
Given A=4i+6j and B=2i+3j. Which of the following is correct? Options (a) A x B =0 (b) A.B=24 (c) (|A|/|B|)=1/2…
7 years ago
A boy standing at top of a tower of 20 m height drops a stone
A boy standing at top of a tower of 20 m height drops a stone.assuming g=10 ms⁻²,the velocity with which…
7 years ago
Which of the following quantities has units but not dimensions
Which of the following quantities has units but not dimensions Options (a) displacements (b) angle (c) couple (d) speed Correct…
7 years ago
In the equation y=asin(?t+kx),the dimensionals formula of ? is
In the equation y=a sin(?t+kx),the dimensional formula of ? is Options (a) [M⁰L⁰T⁻¹] (b) [M⁰LT⁻¹] (c) [ML⁰T⁰] (d) [M⁰L⁻¹T⁰] Correct Answer:…
7 years ago
What determines the nature of the path followed by the particle?
What determines the nature of the path followed by the particle? Options (a) Speed (b) Velocity (c) Acceleration (d) Both…
7 years ago