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What is difference between SONAR and RADAR......give atleast 5 points

Posted by ♥️Bhavika Naik?? 4 years, 6 months ago

CBSE > Class 11 > Physics

1 answers

Sia ? 4 years, 6 months ago

Radar sends out electromagnetic waves, while sonar transmits acoustic waves. Radar signals are primarily for surface and atmospheric observations, because electromagnetic waves are diminished in the water. Sonar signals easily penetrate the water and are ideal for underwater navigation and detection.

ANSWER

A car miving half of speed 36 km/h and next half is 54km/h find average speed and average velocity

Posted by Riti Bansal 7 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Complete defination of all error funtion

Posted by Ankit Raj 7 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Ankit Raj 7 years, 4 months ago

Hehhe

ANSWER

Abc is right angle triangle in which Ab =3 bc=4 and ∆Abc=π/2 the three mass 15 kg ,12kg ,20kg are placed respectively on A,B and C find force acting on B

Posted by Ankit King 7 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

From a ballon rising vertically upwards at 5m/s ,a stone is thrown up at 10m/s relative to the ballon.what is its velocity with respect to ground after 2s(assume g=10 m/s^2)?

Posted by Jyoti Meena 7 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

How to learn dimensional formula

Posted by Aditya Singh 7 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Riya Bts 7 years, 4 months ago

You dont need to learn the dim. formulae.... But u should know how to derive them...... Some dim. Formulae are so basic that they are used in derivation of other formluae... Those automatically are memorized... But all you need to do is practice and practice... So dear practice hard.... No cramming..... You will memorize them yourself with time to time practice and revision ?

ANSWER

Every motion is a circular motion. Explain....

Posted by Aakarsh Sharma 7 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Write the types of vector

Posted by Vimal Pathak 7 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Gurkamal Singh Singh 7 years, 4 months ago

Types of vectors : zero vector , unit vector, position vector, equal vector etc

ANSWER

The angle between P+Q and P-Q will be

Posted by Khushboo Yadav 7 years, 4 months ago

CBSE > Class 11 > Physics

3 answers

Kriti Soni 7 years, 4 months ago

I think P+Q=0(when two vectors are parallel) And P-Q= 180(when two vector are anti parallel)

Aditya Goswami 7 years, 4 months ago

What resultent is given...^_^

Vimal Pathak 7 years, 4 months ago

It's zero

ANSWER

horizontal road and travel 2. 5 km with constant speed of 5 km per hour then he returns to same point and walk with constant speed of 7. 5 km per hour what is the average velocity of the man during the whole journey be average speed of the man over the following interval of time and average speed between 0 to 30 minute and 0 to 15 minute and 0 to 40 minute

Posted by Tushar Anand 7 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is the difference between sclar and vevtor

Posted by Vaibhav Soni 7 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Dev Tera Yaar Jaat☢️ 7 years, 4 months ago

Scalar:- Quantity having magnitude only.
Vector:- Quantity having magnitude as well as direction also.

ANSWER

Retardetion in velocity time graph

Posted by Pieus Chandra Pal 7 years, 4 months ago

CBSE > Class 11 > Physics

2 answers

Adarsh Jawale 7 years, 4 months ago

Retardation means negative acceleration(rate of change of velocity).

Udham Singh 7 years, 4 months ago

Retardation is negative aceleration. When the velocity of a body decreases unifomly.

ANSWER

Motoon in a plane

Posted by Tejaswini Singh 7 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

the resultant of two vectors u and v is perpendicular to the vector u

Posted by Sabitu Datta 7 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Sharad Gumber 7 years, 4 months ago

Its not the full question

ANSWER

Define. E = m. C. Square

Posted by Adarsh Gupta 7 years, 4 months ago

CBSE > Class 11 > Physics

2 answers

Mohammad Haris 7 years, 4 months ago

Albert se puchna padega

Please Try Again 7 years, 4 months ago

It's energy - mass relation

ANSWER

Why concave mirror is converging

Posted by Sudipt Mandal 7 years, 4 months ago

CBSE > Class 11 > Physics

2 answers

Anshu Malik 7 years, 4 months ago

Its reflecting surface is bulging inwards.....so it coverges all the light rays falling on it and focus them at a single point....hence it is called converging mirror

Ritom Kashyap 7 years, 4 months ago

Bcoz it converges all the light rays coming towards it.

ANSWER

I will able to study physics without any tution in class 11th. Is it true or false.

Posted by Anand Raj 7 years, 4 months ago

CBSE > Class 11 > Physics

6 answers

Anshu Malik 7 years, 4 months ago

It depends on u....,hardworking will make it possible

Harry Potter 7 years, 4 months ago

You should prefer tuition

Ritu Thapliyal 7 years, 4 months ago

I also study physics without any tution

Mohammad Haris 7 years, 4 months ago

I recomend to do tution! If i want to boom ur marks

Anand Raj 7 years, 4 months ago

How ishika

Î$Hîkâ Gûptâ???? 7 years, 4 months ago

it depends on u

ANSWER

What is dot product and explain its 5 properties

Posted by Aditya Singh 7 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

1111 484 7 years, 4 months ago

Dot product is =to the product of their magnitude and cosine of smaller angle between them .it is also known as scalor product.

ANSWER

State and prove law of conservation of linear momentum.

Posted by Aditya Kumar Sharma 7 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

calculate the angle of (a) 1° (b) 1' and (c) 1" in radians. use 360° = 2π rad, 1°=60' and 1' = 60"

Posted by Ifti Tanu 7 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

1111 484 7 years, 4 months ago

1.745×-100,2.91×-10000,4.85×-1000000

ANSWER

Two cars A and B are moving on the straight parallel paths with speed 36km/h and 72 km/h.respectively,starting from the same point in the same direction.after 20 min. How much behind is carA from car B

Posted by Shivani Sharma 7 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Shikhar Agrawal 7 years, 4 months ago

Distance covered by A in 20 min = 36×1/3=12km Distance covered by B in 20 min = 72×1/3=24km.. Distance between A and B = 24-12 = 12 km

ANSWER

Hlo friends anyone frndship with me

Posted by Dhruv Choudhary 7 years, 4 months ago

CBSE > Class 11 > Physics

3 answers

Ranjana Randhawa 7 years, 4 months ago

Ya.. of course

Anand Raj 7 years, 4 months ago

Yes i am give me ur number

1111 484 5 years, 8 months ago

Ya I am

ANSWER

If an object moves in a circular path.then the force acts on the object along the center is depends on mass of the object and radius of the circular path find out the relation for the force

Posted by Kashish Kashyap 7 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Dhruv Choudhary 7 years, 4 months ago

Hlo

ANSWER

Velocity of sound wave in a gas depend on its pressure and density derive relation

Posted by Aftab Ahamad 7 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is dimension?...✌

Posted by Alia Khan 7 years, 4 months ago

CBSE > Class 11 > Physics

3 answers

Savita Katoch 7 years, 4 months ago

dimensions of derived unit of a physical quantity are the powers to which the fundamental units of mass , length and time must be raised to express that physical quantity

Alia Khan 7 years, 4 months ago

Thanks Gyanendra

Gyanendra Singh 7 years, 4 months ago

The number of times of fundamental quantity is contained in the given derived quantity is known as the dimension.

ANSWER

Which is the best extra book for chemistry

Posted by Krishna Rama 7 years, 4 months ago

CBSE > Class 11 > Physics

3 answers

Gyanendra Singh 7 years, 4 months ago

New Simplified Chemistry, NCERT, Dinesh

Alia Khan 7 years, 4 months ago

MP shanaway

Anmol Yadav 7 years, 4 months ago

Mbd or pardeep

ANSWER

Fundamental

Posted by Akash Sharma 7 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

If x=2at-5bt raise to the power 2 where x is in metres and t is in seconds, find the dimensions of a and b

Posted by Siddharth Dubey 7 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Monica .A 6 years, 4 months ago

Answer

ANSWER

using V1 graph for uniformly acceleration motion of a particle or body.prove that

Posted by Nikhil Patel 7 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Nishant Sharma 7 years, 4 months ago

Hence proved

ANSWER

Triangle law of vector addition by analytical method

Posted by Ishita Verma 7 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

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