New Concepts/Shortcuts 4 Flashcards

1
Q

how to solve an unbalanced wheat stone bridge?

A

using star delta method, convert the one side to this star type shape and sub the R1,R2,R3 and it becomes a much simple problem

and remove the earlier resistanced

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2
Q

net new voltage and heat generated when two capacitors are put together with the positive side connected to the positive side

A
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3
Q

doppler effect in light formula

A
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4
Q

degree of unsaturation formula

A
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5
Q

generally, oxides down the grp are more acidic/basic

and whats the exception and why

A

generally, oxides down the grp are more basic

and an exception is the D block where down the grp they are more acidic this is because the increase in EN down the grp in D block

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6
Q

displacement in nth second formula

A
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7
Q

the gaussian surface has an equipotential surface

true or false

A

true

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8
Q

peroxide,superoxide,oxide O.S

A
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9
Q

whats used for {x} and [x] for sandwich

A
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10
Q

galvanometer to ammeter conversion formula

A
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11
Q

if the main number is smaller than the denominator(divisor) what to do

A

square or cube the number to make it the least number which is more than the divisor

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12
Q

en is a strong or weak field ligand

A

strong

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13
Q

open organ pipe nth overtone formula and fundamental frequency formula

A
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14
Q

variation of photoelectric current i with the intensity of incident radiation can be represented by the graph:

A
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15
Q

what can be struck if we have a circle touching a point

A

the family of lines of assuming the point as a diameter one family of lines concept must be used

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16
Q
A

https://www.sarthaks.com/1154665/the-coordinates-vertex-focus-parabola-and-respectively-then-the-equation-its-directrix

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17
Q

the dissolving of HC relation with H bonding types

A

dissolving in water is directly proportional to H bonds with water and hence inter molecular H bonds

18
Q

at 0 K

semi conductor behaves as?

19
Q

work done in rotation and power in relation to torque

20
Q

what the probability of particular nucleus decaying in any time intervals

21
Q

what are the metals that have a protective layer to oof oxide to protect it from the attack of H2O

22
Q

work done in cyclic process in P-V graph for clockwise direction is positive or negative

23
Q

at high frequency

capacitor can be treated as ________

and an inductor can be treated as _______

A

at high frequency

capacitor can be treated as a single wire

and an inductor can be treated as an open circuit

24
Q

relation between the magnetic field and magnetizing field

and what is the unit of magnetizing field

25
magnetic field lines are completely confined or not confined in a toroid
completely confined
26
rounding off rule for 5 in last
27
intensity of magnetization formula
28
Bh formula for earth magnetization
Bh=Bcos theta
29
true angle of dip formula
30
range for the water in the container with an efflux
H being the total hieght and h being the hieght form the top
31
BP of +ve deviation solution as compared to the ideal solution and other properties comparison
32
BP of -ve deviation solution as compared to the ideal solution and other properties comparison
32
relative lowering of Vp formula
33
relation of eeta of paramagnetic material and temperature
34
maximum speed on a curved road
34
subtraction of quadratic roots formulae shortcut
35
1 amu to kg
35
theorem if 3 vectors are lying in the same plane
36
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