Physics Flashcards
1
Q
In SHM At mean position velocity and K. E is
A
Maximum
2
Q
In SHM At mean position displacement and acceleration is
A
Zero
3
Q
Velocity recquired to cover half of amplitufe
A
V=v°√3/4
4
Q
Velocity recquired to complete from mid to half of extreme position
A
V=v°√3/4
5
Q
A
Time
6
Q
Time to cover half of amplitufe
A
T/12
7
Q
P.E= 50%K.E
A
X=x°/√2
8
Q
Sin^- (1/2 )=
A
30°
9
Q
3.14/6=
A
30°
10
Q
Tan(30) =
A
√3/2
11
Q
Tan(60) =
A
√3
12
Q
Tan(45) =
A
1
13
Q
Cos(30) =
A
√3/2
14
Q
Cos(60) =
A
1/2
15
Q
Cos(90) =
A
0
16
Q
Sin(30) =
A
1/2
17
Q
Sin(60) =
A
√3/2
18
Q
Sin(0)
A
0
19
Q
Sin(90) =
A
1
20
Q
Sin(45) =
A
√2/2
21
Q
Cos(45) =
A
√2/2
22
Q
Cos(0) =
A
1
23
Q
Source is moving toward stationary observer than pitch of sound will be
A
Increase
24
Q
A siren emitting sound of frequency 800Hz is going away from a static listener with a velocity of 300m/s Frequency of the sound to be heard by the listener (Take velocity of sound as 330m/s.
A
733.3Hz
