Slope of velocity time graph is_____________________?
Slope of velocity time graph is_____________________?
A. acceleration
B. distance
C. force
D. momentum
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An angle between two vectors A and B can be determined by_____________?
An angle between two vectors A and B can be determined by_____________?A. Their dot product
B. Their cross product
C. Head to tail rule
D. Right-hand ruleSelect an alternative from of uncertainly principle from the following_______________?
Select an alternative from of uncertainly principle from the following_______________?A. ∆E = h/m∆c(1-cosθ)
B. ∆E . ∆t = h
C. mc2 = hv
D. Any of aboveA stone is thrown upward from the top of a 59.4m high cliff with an upward velocity component of 19.6m/s how long is the stone in the air?
A stone is thrown upward from the top of a 59.4m high cliff with an upward velocity component of 19.6m/s how long is the stone in the air?A. 4.00 s
B. 5.00 s
C. 6.00 s
D. 7.00 sApplying newtons formula,
S= ut + (1/2)at^2
Let downwards direction be (-) be
, so
-59.4 = 19.5t – (1/2) 10t^2
By Sloving this you will get ,t= 6 secThe charge on alpha particles is________________?
The charge on alpha particles is________________?A. Plus one
B. Plus two
C. Minus two
D. Minus oneWhich one of the following physical quantities does not have the dimensions of force per unit area ?
Which one of the following physical quantities does not have the dimensions of force per unit area ?A. Stress
B. Strain
C. Youngs modulus
D. PressureIn a plane polarized light _________________?
In a plane polarized light _________________?A. vibration in all direction
B. vibration in two mutually perpendicular directions
C. vibration take place in a direction perpendicular to the direction of propagation of light
D. no vibration at all