Ask questions which are clear, concise and easy to understand.

 

Question 1-the resultant of two vectors of magnitude p and 2P is perpendicular to the first <a href="https://www.embibe.com/learn/mathematics/chapter-vector-412">vector</a>. find the <a href="https://www.embibe.com/learn/physics/concept-angle-9428">angle</a> between the resultant and second vector

Question 2 - A cart is  with moving East speed 1 metre per second A man is walking on this cart with a velocity 2 metre per second  with respect to the cart while he moves he swings his left hand with a speed 4 metre per second due West with respect to him. a fly sitting on the man's hand moves with a velocity 6 metre per second due South with respect to the hand  .find the velocity of the fly as seen by a ground observer

Question 3 -As the angle between two forces of fixed magnitude is varied the greatest and the least value of resultant of two forces are 20 Newtons and 10 Newtons respectively. find the magnitude of the forces

 

Posted by Shankhaneel Ghosh (May 15, 2017 9:14 a.m.) (Question ID: 5313)

  • Epinasty in flooded plants is due to.......
  • synthetic hormone connected with cell expantion is....
  • wavelength of light absorbed by Pr form of phytochrome is.....
Posted by MUDASSIR MOHIUDDIN INAMDAR (May 07, 2017 1:13 a.m.) (Question ID: 5144)

  • Answers:
    • Epinasty is caused by ethylene that is released by the leaves when the roots are flooded.
    • gibberellin
    • The Pr form of phytochrome receives red light (600-680 nm) and changes into Pfr.
    Answered by Payal Singh (May 07, 2017 10:42 p.m.)
    Thanks (1)
  • Add Answer

consider the reaction given below. this reaction will be the fastest in......

CH2CH2CH2Br + NaCl-----> CH3CH2CH2CN + NaBr

Posted by Raima Rakshit (May 05, 2017 9:34 p.m.) (Question ID: 5128)

  • Answers:
  • This reaction occurs fastest in

    N,N'-dimethylformamide (DMF).

    Answered by Payal Singh (May 06, 2017 12:05 p.m.)
    Thanks (0)
  • Add Answer
  • the function of anhydrous AlCl3 in the friedel craft's reaction is to ?
  • VSEPR NOTATION OF CHLORINE TRIFLUORIDE MOLECULE IS?
  • WHAT IS THE TOTAL NOUMBER OF ATOMS PRESENT IN 25.0mg OF CAMPHOR C10H16
Posted by MUDASSIR MOHIUDDIN INAMDAR (May 05, 2017 12:45 a.m.) (Question ID: 5123)

  • Answers:
  • Solution: 

    • To Produce electrophile 
    • VESPR Notation of ClF3 is AX3E2. AX3E2 has To shaped shape.
    Answered by Payal Singh (May 05, 2017 2:53 p.m.)
    Thanks (1)
  • Add Answer
  1. the maximum probability of finding electron in the dxy orbital is? 
Posted by MUDASSIR MOHIUDDIN INAMDAR (May 04, 2017 7:56 p.m.) (Question ID: 5116)

  • Give me the answer of question as early

     as possible

    Posted by MUDASSIR MOHIUDDIN INAMDAR (May 04, 2017 9:25 p.m.)
  • Add Comment
  • Answers:
  • The lobes of dxy orbital are oriented in between the axes at an angle 45, So the  probability of finding electron in a dxy orbital is maximum at an angle of 45 degree from x and y axis.

    Answered by Payal Singh (May 04, 2017 11:22 p.m.)
    Thanks (1)
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Consider the ground state of Cr atom the number of electrons with the azimuthal quatum numbers l=1 and 2 are respectively? .........provide best concept material for atomic structure! !! 

Posted by doreamon superman (Mar 28, 2017 9:22 a.m.) (Question ID: 4560)

1) what is meant by green revolution and blue revolution? 

2) Co (or )co2 which one of them is not a green house gas ?

Posted by doreamon superman (Mar 27, 2017 3:48 p.m.) (Question ID: 4550)

  • Answers:
  • The Green Revolution was a period when the productivity of global agriculture increased drastically as a result of new advances. During this time period, new chemical fertilizers and synthetic herbicides and pesticides were created. The chemical fertilizers made it possible to supply crops with extra nutrients and, therefore, increase yield.

    The term "blue revolution" refers to the remarkable emergence of aquaculture as an important and highly productive agricultural activity. Aquaculture refers to all forms of active culturing of aquatic animals and plants, occurring in marine,or fresh waters.

    Carbon monoxide (CO) is only a very weak directgreenhouse gas, but has important indirect effects on global warming. Carbon monoxide reacts with hydroxyl (OH) radicals in the atmosphere, reducing their abundance. So, carbon monoxide is not a green house gas.
     

    Answered by Shweta Gulati (Mar 27, 2017 9:23 p.m.)
    Thanks (1)
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Difference between epimers and annomers? 

Posted by doreamon superman (Mar 27, 2017 7:58 a.m.) (Question ID: 4542)

  • Answers:
  • Ans.

    • Epimers are monosaccharides that differ in chirality at only one carbon.
    • Anomers are special epimers; in cyclic forms of one single monosaccharide.
    Answered by Naveen Sharma (Mar 27, 2017 10:06 a.m.)
    Thanks (1)
  • Add Answer

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