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Find the number of seconds in a year. Express them in order of their magnitude.

Posted by Gurjot Kaur 4 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Preeti Dabral 4 years, 3 months ago

We know that, 1 minute = 60 seconds
60 minutes (1 hour) = 60 × 60 = 3600 seconds
24 hours (1 day) = 3600 × 24 = 86400 seconds
365 days (1 Year) = 86400 × 365 = 31536000seconds
{tex}31536000 = 31536 \times {10^3} = \frac{{31536}}{{10000}} \times {10^3} \times {10^4} = 3.1536 \times {10^{3 + 4}} = 3.1536 \times {10^7}{/tex}seconds.

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What is the difference between A°and A.U

Posted by Chellamuthu Muthusamy 4 years, 3 months ago

CBSE > Class 11 > Physics

2 answers

Sia ? 4 years, 3 months ago

à” is a preposition of location (with feminine article “la”: at home: à la maison), of possession (in the west of the country (Paul’s dog : le chien à paul (standard French : le chien de Paul)), has some other usages as well related to the prepposition “de”, and sounds exactly like the standard french “a” (the accent on “à” somehow transcripts (in writing only, the spelling is the very same) an archaic expression of an extended locative case) and like “a” in “patagonia” for exemple.

“au” has the same use, but will be used with masculine non-personnal names (as the contraction of “a+le”, ex : I’m going to the woods : Je vais au bois (singular) ; aux bois (plural) ; possessive (western French) : the priest’s car : la voiture au prêtre) but will sound like the french “o” in “poteau”, and the english “o” in “obliterate”.

Adithya Dev A 4 years, 2 months ago

A° is also called angstrom. It is a unit of length. 1 A° = 10^-10 m. Whereas, A. U. is also known as astronomical unit. It is equal to 1.5 * 10^11 m. A unit of length.

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Hey guys can you plz suggest me some channels of PCB to study easy and interesting on youtube..... I need it so plzzz??

Posted by Kirtika Kaushik 4 years, 3 months ago

CBSE > Class 11 > Physics

3 answers

Kirtika Kaushik 4 years, 3 months ago

Thank y'all for the suggestion ??

Heer Sanghvi 4 years, 3 months ago

Quantum App is best for 11th and 12 and also for neet and jee I'm prefering quantum only?

Kashish Verma 4 years, 3 months ago

Bio tonic Unacdemy neet Physics world

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Difference between strong nuclear forces and weak nuclear force

Posted by Shubhra Singh 4 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Ayan Karmakar 4 years, 3 months ago

The strong nuclear force binds protons and neutrons in a molecule in a nucleus. It's evident that without some attractive force, a nucleus will be unstable due to the electric repulsion between it's proton. The strong nuclear force is the strongest of all fundamental forces, about 100 times the electromagnetic force in strength. Where as The weak nuclear force appears only in certain nuclear processes such as the β-decay of a nucleus. In a β- decay, the nucleus emits a electron and an uncharged particle called nutrino's (fundamental particle).

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In a rocket, fuel burns at the rate of 1 kg/s. This fuel is ejected from the rocket with a velocity of 60 km/s. This exerts a force on the rocket equal to

Posted by Suriya Prakash 4 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Ayan Karmakar 4 years, 3 months ago

You have to use the gravitational given in the class 9 science book

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convert 73km/hr into m/s

Posted by Jyoti Rvs 4 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

?Isha .B 4 years, 3 months ago

1km=1000m 1hr =3600s So,73*1000/3600 =73000/3600 =7778m/s

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If mass length and time are considered as fundamental quantities, which of the following is a derived quantity. (a) mass of earth (b) energy of a photon (c) period of revolution of satellite (d) distance between sun and the jupiter

Posted by Lakshmi Prasad Gobu 4 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Adithya Dev A 4 years, 3 months ago

(b)

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A stone is thrown in a vertically upward direction with a velocity of 5ms minus 1 If the acceleration of the stone during its motion is 10 ms minus 2 in the downward direction what will be the height attained by the stone and how much time will it take to reach there

Posted by Utkarsh Varshney 4 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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Radius of an atom is 2.2×10‐¹² m. Calculate the vol. of 1 mole of such atom. Given that, No. of atoms in 1 mole = 6.02×10²³

Posted by Yakshi Nausaran 4 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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What is the angle between vector p and the resultant of p+q and p-q

Posted by Manchal Meena 4 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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The sum of two forces acting on a pt. Is 16newton if the resultant force is 8 N and its direction is perpendicular to minimum force then the forces are ?

Posted by Manchal Meena 4 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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State and explain parallelogram law of vector addition

Posted by Pushpa Pushpa. M 4 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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The work of 146 kJ is spent to compress adiabatically one kilomole of a biatomic gas. How much will the temperature of the gas increase during compression?

Posted by Suriya Prakash 4 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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A body A begins to move with the initial velocity v; and con.. tinues to move with the constant acceleration at. A body B begins to move at the same time as the body A with the initial velocity v~ and continues to move with the constant negative acceleration az• What time is required for the two bodies to acquire the same velocity after motion has begun?

Posted by Suriya Prakash 4 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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How many wat's are 1 HP

Posted by Vikas Savant 4 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Adithya Dev A 4 years, 3 months ago

1 Horse power (commercial unit) = 746 watts.

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Dot products numerical

Posted by Rahul Hooda 4 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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solve the following and express the result to an appropriate number of significant figures

Posted by Robert V 4 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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conversion of one system of units into another class 11 physics numericals using dimensions

Posted by Vaibhav Pandey 4 years, 3 months ago

CBSE > Class 11 > Physics

2 answers

Himanshu Rajput 4 years, 3 months ago

Adha q to smjh me na ata tumhra?

Himanshu Rajput 4 years, 3 months ago

Dimensional analysis is the process of converting between units. The International System of Units (SI) specifies a set of seven base units from which all other units of measurement are formed. Derived units are based on those seven base units. Unit analysis is a form of proportional reasoning where a given measurement can be multiplied by a known proportion or ratio to give a result having a different unit or dimension. Dimensional analysis involves using conversion factors, which are ratios of related physical quantities expressed in the desired units.

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Which reference book should I prefer for PCM ie physics chemistry and Mathematics

Posted by Maxtern .Op 4 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Vishal Verma 4 years, 3 months ago

Maths Rd Sharma Chemistry and Physics Pradeep

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What is relationship between physic, technology and nature

Posted by Kunga Tenkyi 4 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Mithali Pattanaik 4 years, 3 months ago

Physics explains and describes natural phenomena. It tells us how different parts of nature work and react to different situations. Technology helps us solve problems and complete tasks by using the world around us. Hope it helps

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the velocity of a particle depends upon time according to the relation v=a+bt+c/d+t where v and t is time

Posted by Mukesh Vet Doctor 4 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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find the derivatives of all orders of function y = (x ^ 4)/2 - 3/2 * x ^ 2 - x

Posted by Ch. Praharika 4 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

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d(t*t*t+3t*3t-2t+1)/dt

Posted by Sanjay Jayakumar 4 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Hirithik Yaadhav 4 years, 3 months ago

= d(t³+9t²-2t+1) /dt = 3t²+18t-2 Thus your answer is 3t²+18t-2

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Two forces F1 and F2 can be replaced by a single force 5N. If | F1|=2N, then | F2| could possibly be

Posted by Srilakshmi Challa 4 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Sachin Chaudhary 4 years, 3 months ago

6Thank You

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pressure is depends on height, density & gravity acceleration. find the relation. class 11

Posted by Vaibhav Pandey 4 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Himanshu Rajput 4 years, 3 months ago

The hydrostatic pressure 'P' of a liquid column depends upon the density 'd' , height 'h' of liquid column and also an acceleration 'g; due to gravity. Using dimensional analysis, derive formula for pressure P. Density is directly proportional to pressure and indirectly proportional to temperature. ... As pressure increases, with temperature constant, density increases.