Sigma Physics Classes

TS 1 Q10 Match the following dimensional formulas

TS 1 Q41 If sin d = 2 and & lies in the first quadrant, the value of tan is.(1) √21 (2) 言 √2(3)

TS 1 Q7 Which of the following is a unit vector (1) (𝑖 ) ̂+(𝑗 ) ̂ (2) cos θ(𝑖 ) ̂−

TS 1 Q4 A horizontal force of 20 N is necessary to just hold a block stationary against a wall. The

TS 1 Q17 A system has basic dimensions as density [D], velocity [V] and area [A]. The dimensional re

TS 1 Q13 Assertion: Friction force always acts in opposite direction to the motion of the body. R

TS 1 Q25 The equation of a projectile is y = √3 𝑥−〖𝑔𝑥〗^2/2 the angle of projection is: (1) 30° (2

TS 1 Q24 A simple pendulum hangs from the roof of a train moving on horizontal rails. If the string

TS 1 Q8 In an experiment, force between two bodies of masses 𝑚_1and 𝑚_2is measured, th

TS 1 Q3 A car is moving with speed 20 m/s on a circular path of radius 400 m. Its speed is increasin

TS 1 Q19 A man can reach a certain place in 40 hours. If he reduces his speed by 1/15th, he go

TS 1 Q35 If y = 𝑥^2+2𝑥−3, then y – x graph is

TS 1 Q26 A string of length 0.2 m cannot bear a tension more than 360 N. It is tied to a body of mas

TS 1 Q14 A particle moves a distance x in time t according to equation x=(𝑡+5)^(−1). The accel

TS 1 Q22 A particle of mass 15 kg has an initial velocity 𝑣_𝑖=2(𝑖 ) ̂m/s. It collides with another

TS 1 Q18 A stone is dropped into a well in which the level of water is h below the top of the we

TS 1 Q23 The magnitude of the impulse developed by a mass of 0.2 kg which changes its vel

TS 1 Q12 Directions: In the following questions, a statement of assertion is followed by a statement

TS 1 Q15 In the case of motion of boat in a flowing river, for a boat to cross the river along a

TS 1 Q1 A 100 g tennis ball coming at a speed of 20 m/s is hit straight back by a bat to speed of 40

TS 1 Q21 A fly wheel is accelerated uniformly from rest and rotates through 3 rad in the first seco

TS 1 Q6 A particle moves along the curve y = 𝑥^2/2. Here x varies with time as x = 𝑡^2/2. Where

TS 1 Q9 Figure shows the changes in speed of a marble as it rolls down an inclined plane P_1, trave

TS 1 Q16 Assertion- A cyclist must bend while taking a turn. Reason- Bending genera

TS 1 Q20 The force required to just move a body up an inclined plane is 3 times the force

TS 1 Q31 What is the value of 𝑑/𝑑𝑥 (〖sin⁡𝑥〗^3 〖cos⁡𝑥〗^2 )? (1) 〖3𝑥〗^2 〖cos⁡𝑥〗^2

TS 1 Q47 A ball is dropped from a height and falls due to gravity and wind simultaneously imparts it

TS 1 Q27 The vertical height of the projectile at a time t is given y=〖4𝑡−5𝑡〗^2and th

TS 1Q50 In shown system, each of the block is at rest. The value of θ is (1) 〖𝑡𝑎𝑛〗^(−1)(1)

TS 1Q46 Rain is falling with a velocity (2(𝑖 ) ̂−4(𝑗 ) ̂−3𝑘 ̂) m/s with respect to ground. A person