CBSE Class 11-science Answered
Consider a parallelogram whose adjacent sides are given by 
= 2
+ 
and 
= - 2, where and are unit vectors inclined at an angle of 
.
= 2 + and = - 2, where and are unit vectors inclined at an angle of .Then answer the following:
I) Express both the diagonals in vector form.
II) Length of both the diagonals.
III) The area of the parallelogram.
IV) The angle between the diagonals.
Asked by abhishek_nayak98 | 02 Jun, 2014, 08:10: PM
Expert Answer
1) The diagonals of the parallelogram are 
+ 
and 
+ and 
= 
= 
2) l() = 
= 
) = = l() = =
) = = 3) Area of parallelogram = 
Therefore Area of the parallelogram is 5 square units.
4) let the angle between the diagonals be 
Therefore angle between the diagonals is 90 degree.
Answered by Ravindra Kapal | 05 Jun, 2014, 07:31: PM
Concept Videos
CBSE 11-science - Physics
Asked by vinitdubey7735 | 14 Mar, 2024, 11:21: AM
ANSWERED BY EXPERTCBSE 11-science - Physics
Asked by dhanshreekansyakar | 09 Jan, 2024, 11:57: AM
ANSWERED BY EXPERTCBSE 11-science - Physics
Asked by banhisikhapanda49 | 07 Nov, 2023, 10:42: PM
ANSWERED BY EXPERTCBSE 11-science - Physics
Asked by preethiprithivi05 | 21 Feb, 2023, 09:28: PM
ANSWERED BY EXPERTCBSE 11-science - Physics
Asked by rk274268 | 05 Aug, 2022, 01:19: PM
ANSWERED BY EXPERTCBSE 11-science - Physics
Asked by Kattaithihaas | 24 Jul, 2022, 01:23: PM
ANSWERED BY EXPERTCBSE 11-science - Physics
Asked by pawankumardas15492 | 22 Jul, 2022, 10:24: PM
ANSWERED BY EXPERTCBSE 11-science - Physics
Asked by nutankumari95074 | 11 Jun, 2022, 05:24: PM
ANSWERED BY EXPERTCBSE 11-science - Physics
Asked by kaziryan.05 | 13 Apr, 2022, 09:01: PM
ANSWERED BY EXPERTCBSE 11-science - Physics
Asked by aditya000ghoderao | 19 Jan, 2022, 05:05: AM
ANSWERED BY EXPERT
