CBSE Class 11 c11phy_vector_components — practice questions
16 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 c11phy_vector_components in the app →Per NCERT §3.5, a UNIT vector has which magnitude and which dimension?Per NCERT §3.5 eqn 3.13, the x-component of a vector A of magnitude A making angle θ with the x-axis is which?Per NCERT §3.5 eqn 3.14, the magnitude of a vector A = A_x î + A_y ĵ is which expression?Per NCERT §3.5 eqn 3.15, the angle θ that a vector A makes with the x-axis (given components A_x and A_y) is wPer NCERT §3.5, a vector A in 3D has components along three orthogonal axes that satisfy which identity (with Per NCERT §3.5, the unit vectors along the x, y, z axes are denoted by which trio?Per NCERT §3.5 (eqn 3.12), a vector in xy-plane can be written in component form as which expression?Per NCERT §3.6, vector addition by the ANALYTICAL method adds vectors by adding which?Per NCERT §3.6 (eqn 3.24a), the magnitude of the resultant of two vectors A and B at angle θ is given by whichPer NCERT §3.5, components of vector A along x and y axes are scalars whose SIGN depends on which feature?Per NCERT §3.6 (resultant of two equal vectors), if |A| = |B| = a and they make 60° between them, the magnitudPer NCERT §3.6 (resultant of two equal vectors), if |A| = |B| = a and they make 90° between them, the magnitudA football kicked with speed $u = 20$ m/s at $30^\circ$ above horizontal has initial vertical component approxA stone is thrown at $45^\circ$ on level ground with speed $u = 10$ m/s. Using $g = 10$ m/s$^2$, the range is:A stone tied to a string is whirled in a horizontal circle at constant speed. Its acceleration is:A ceiling fan rotates at $120$ rpm. Its angular speed is approximately: