Forwarded from JILL
A particle is executing SHM with time period T. If it is released then time taken by it to complete 7/8 oscillations is-
Anonymous Quiz
7%
9T/12
39%
10T/12
50%
11T/12
4%
13T/12
Y plus batch question =
𝘚𝘵𝘢𝘵𝘦𝘮𝘦𝘯𝘵 = Mass of a body must be present physically at COM
𝘚𝘵𝘢𝘵𝘦𝘮𝘦𝘯𝘵 = Mass of a body must be present physically at COM
Anonymous Quiz
51%
True
49%
False
In a neuron the vesicles containing neurotransmitters are called =
Anonymous Quiz
28%
Synaptic cleft
72%
Synaptic knob
If we change the volume then equilibrium constant of the rxn
H₂ + I₂ = 2HI should be change
H₂ + I₂ = 2HI should be change
Anonymous Quiz
54%
True
46%
False
★ A bullet of mass M moving vertically upward with a velocity u hits a hanging block of mass M and gets embedded in it .
The height through which block rises after collision ( assume sufficient space present above block ) =
The height through which block rises after collision ( assume sufficient space present above block ) =
Anonymous Quiz
13%
u² ÷ g
46%
u² ÷ 2g
33%
u² ÷ 4g
8%
u² ÷ 8g
Forwarded from V
Q.4
A particle which show SHM , then accelaration of particle is uniform
A particle which show SHM , then accelaration of particle is uniform
Anonymous Quiz
50%
True
50%
False
Forwarded from Devansh ✨
Internal Forces acting in a system of particle can change--
Anonymous Quiz
42%
Kinetic energy but not linear momentum
32%
Neither KE nor Linear Momentum
20%
Both KE and Linear Momentum
6%
Linear Momentum but not KE
Forwarded from JILL
1. A combination of 2 SHM with arbitrary amplitudes and phases must be periodic.
2. If a narrow sound pulse is sent across a medium and the pulse rate is 1 after every 10 s then the frequency produced is 0.1 Hz.
2. If a narrow sound pulse is sent across a medium and the pulse rate is 1 after every 10 s then the frequency produced is 0.1 Hz.
Anonymous Quiz
24%
T T
36%
T F
36%
F T
4%
F F
X = The arm of Ophiura is thicker than the arm of Asterias
Y = Antedon found in fresh water
Y = Antedon found in fresh water
Anonymous Quiz
18%
Both True
39%
True + False
27%
False + True
15%
Both False
Forwarded from JILL
1. A solid is floating in a liquid at a certain temperature. When temperature is increased the new buoyant force remains unchanged.
2. As the Temperature of water increases from 0°C to 4°C the coefficient of volumetric expansion also increases
2. As the Temperature of water increases from 0°C to 4°C the coefficient of volumetric expansion also increases
Anonymous Quiz
22%
T T
38%
T F
23%
F T
17%
F F
The electronagativity of an element is low . The bond formed b/w the atoms =
Anonymous Quiz
75%
Covalent
25%
Metalic
Forwarded from JILL
Initially a solid is completely immersed in water at 1°C and the coefficient of its volumetric expansion is equal in magnitude with the coefficient of volumetric expansion of water. When the temperature is increased to 3.5°C- [ Fb- buoyancy force ]
Anonymous Quiz
18%
Fb at 3.5> Fb at 1
46%
Fb at 1> Fb at 3.5
28%
Fb at 1= Fb at 3.5
8%
Cannot determine
X = PH₃ acts as a lewis base
Y = Covalancy of F is 03 in FCl₃
Y = Covalancy of F is 03 in FCl₃
Anonymous Quiz
33%
Both true
22%
Both False
26%
False + True
19%
True + False
Heat is being supplied at a constant rate to a sphere of ice which is melting at the rate of 0.1 gram / sec
Now it melts completely in 100 sec . The rate of rise of temperature will be =
Now it melts completely in 100 sec . The rate of rise of temperature will be =
Anonymous Quiz
32%
0.8
38%
1.6
18%
2.4
12%
03