Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

Please solve following
question image
Asked by jadhavshivam27 | 12 May, 2020, 01:00: PM
answered-by-expert Expert Answer
A with rightwards arrow on top times B with rightwards arrow on top equals open vertical bar A with rightwards arrow on top close vertical bar open vertical bar B with rightwards arrow on top close vertical bar C o s theta C o m p o n e n t space o f space A space a l o n g space B space i s space open vertical bar A with rightwards arrow on top close vertical bar C o s theta equals fraction numerator A with rightwards arrow on top times B with rightwards arrow on top over denominator open vertical bar B with rightwards arrow on top close vertical bar end fraction open vertical bar A with rightwards arrow on top close vertical bar C o s theta equals fraction numerator open parentheses 2 i plus 3 j close parentheses times open parentheses i plus j close parentheses over denominator square root of 1 squared plus 1 squared end root end fraction open vertical bar A with rightwards arrow on top close vertical bar C o s theta equals fraction numerator 5 over denominator square root of 2 end fraction
Answered by Utkarsh Lokhande | 12 May, 2020, 02:11: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 10 - Physics
The image of a candle flame placed at a distance of 30 cm from a spherical lens is formed on a screen placed at a distance of 60 cm from the lens. If the height of the flame is 2.4 cm,find the height of its image 
Asked by namish1088 | 16 Nov, 2023, 08:09: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
describe the refraction taking place in the rainbow formation  
Asked by 0 0 | 19 Oct, 2023, 03:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
find the new resistance of wire length l area of cross section A if it is folded 4 times
Asked by nandhikasugumar | 05 Oct, 2023, 04:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
what is invers gravity and how does it affect Earth?
Asked by kmatamkarthik | 04 Oct, 2023, 11:22: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
finding the net resistance  
question image
Asked by daniya062008 | 02 Oct, 2023, 08:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
what is the magnification of the image when v=30 cm and u= 15cm
Asked by bubbynaik77 | 29 Sep, 2023, 09:34: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
what is defination of light
Asked by gurcharansingh37306 | 10 Sep, 2023, 12:53: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
the resistance of a wire of 0.01 cm radius is 10 ohm.if the resistivity of the material of the wire is 50*10^-8 ohm meter find the length of the wire
Asked by prassanna.j | 03 Sep, 2023, 12:28: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
Nichrome wire of length L and radius R has resistance 10 ohm.How would the resistance of the wire change when: only diameter of the wire is doubled?Justify 
Asked by prassanna.j | 03 Sep, 2023, 12:21: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
The resistance of a resistor is kept constant and the potential difference across its two ends is decreased to half of its former value.State the change that will occur in the current through it.
Asked by prassanna.j | 03 Sep, 2023, 12:13: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Grab Our Exam Special Offer-Enrol now!
×