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What is venturi meter

Posted by Ritik Tiwari 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

A Z 8 years, 1 month ago

Venturi meter is a device that is used for measuring the rate of flow of fluid flowing through a pipe.

2Thank You

ANSWER

A mass m supported by a massless string wound around a uniform hollow cylinder of mass m and radius r.if the string does not slip on the cylinder with what acceleration will the mass fall on release?

Posted by Abhi Shek Kumar 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Abhi Shek Kumar 8 years, 1 month ago

G/2

2Thank You

ANSWER

A scooter moves at a constant speed of 90m/sec for 4seconds and then it again moves with a constant speed of 60 m/sec for 2 second, then calculate it's average speed

Posted by Ritik Raj 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Ananya Mishra 8 years, 1 month ago

Total distance covered => 90* 4 + 60 * 2 = 480m Total time taken=> 4 + 2 = 6 Average speed = 480/6 = 80 m/s

1Thank You

ANSWER

Whats Is Hooks Law?

Posted by Praveen Prakash 8 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Aditya Raj Singh 8 years, 1 month ago

With in elastic limit the stress is proportional to strain

0Thank You

Jitendra Nayak 8 years, 1 month ago

Hooke's law states that within elastic limit . STRESS/STRAIN = E (modulus of elasticity )

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ANSWER

A refrigerator is to remove heat from the eatables kept inside at 10°C. Calculate the coefficient of performance if room temperature is 36°C.

Posted by Ayush Saxena 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

A small ball is oscillating in a tunnel dug across the earth at a distance half the radius of earth the maximum speed if the ball in tunnel is

Posted by Utram Upre 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is pascal law

Posted by Riteesh Kumar 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

The triple point of neon and carbon dioxide are 24.57k and 216.55k respectively. Express these temperature on the Celsius and Fahrenheit scales.

Posted by Nikhil Kinha 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

The triple point of neon and carbon dioxide are 24.57k and 216.55k respectively . Express these temperature on the Celsius and Fahrenheit scales

Posted by Nikhil Kinha 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

How much a gas can expand in vacuum

Posted by Chirag Mohan 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Ayush Mishra 8 years, 1 month ago

Gas is zero when a gas expands in vacuum. But the volume and pressure of the gas changes..!

2Thank You

ANSWER

Why are electric poles given hollow structure?

Posted by Prachi Singh 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Kusum Tanwar 6 years, 11 months ago

They are given hollow structure as they require greater amount of torque to twist them and due to that they are more stable and durable

0Thank You

ANSWER

What is the dimensional formula of modules of rigidity

Posted by Amit Binwal 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

A Z 8 years, 1 month ago

[M^1 L^-1 T^-2 ] is the dimensional formula of modules of rigidity or shear modulus.

1Thank You

ANSWER

What is a gravitational force

Posted by Naveen Malik 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is a Gravity

Posted by Naveen Malik 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

J Mondal 8 years, 1 month ago

A force which is exerted by earth.

0Thank You

ANSWER

In system of particles ,vector product of A*B=+(aybz-azbx) i+(azbx-axbz) j+(axby-aybx) k is correct or A*B=+(aybz-azbx) i-(azbx-axbz) j+(axby-aybx) k

Posted by Aanika Oberoi 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Mam i Can't understand physics even first letter your notes are good but what can i do

Posted by Happy Verma 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Three conducting rods of same material and cross section as D is perpendicular to AB at C. Temperature at A,D and C are maintained at 20° 90° and 0° . Find the ratio of length BD and BC if there is no heat flow in AB

Posted by Yashvi Mehta 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Pressure exerted by the gas

Posted by Shalu Jamwal 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Explain principal of superposition of gravitational force

Posted by Harsh Hwr 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is stokes law

Posted by Jay Kumar Yadav 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

State benoullis theorem with expression

Posted by Somesh Walia 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Mannu Mangali 8 years, 1 month ago

Pgh+1\2mv^2+u=constant.,where u is pressure.

1Thank You

ANSWER

What is breaking stress?? Explain with formula!☺

Posted by Me Souhardee❤️ 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Two separate air bubbles of radius 0.002 and 0.004 are formed of the same liquid. Surface tension is 0.70 N/m and they come together to form a double bubble. Find the radius and the sense of curvature of internal film common to both the bubbles.

Posted by Divyanshu Srivastava 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

If a sea bird is 200 m above the water level. a sardin fish is 20cm below water level at what angel the bird has to dive so as to catch the fish. If the refractive index of water is 1.33

Posted by Tushar Thange 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Which will be preferred large angle prism or small angle prism for obtaining spectrum? Why?

Posted by Niket Kumar 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

A body of mass m1 moving with certain velocity strikes a body of mass m2 at rest. Assuming the collision to be elastic, calculate the fraction of K. E. transmitted by the first body to the second body.

Posted by Rajnandani Gupta 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

a plank of mass m rests symmetrically on two wedges B and C of mass M . what is the acceleration of the plank ? neglect friction between all the contact surfaces

Posted by Manish Tewatia 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

How can we define torque im relationship with stress

Posted by Debraj Nath 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

A Z 8 years, 1 month ago

The twisting force that tends to cause rotation is known as TORQUE.

2Thank You

ANSWER

Effect on value of gravity at dapth d

Posted by Aditya Raj Singh Rajawat 8 years, 1 month ago

CBSE > Class 11 > Physics

3 answers

J Mondal 8 years, 1 month ago

Increase in depth decrease in value of g.- inversely proportional to each other. ???

0Thank You

Rajiv Sharma 8 years, 1 month ago

Decreases woth depth

0Thank You

Sarthak Gupta 8 years, 1 month ago

g' = g(1-(x/R)) Where g' is gravity at depth, x is the depth, R is the radius.

1Thank You

ANSWER

Can water be made to boil without heating?

Posted by Rithik Bhandari 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Rajiv Sharma 8 years, 1 month ago

By decreasing the pressure on water surface it can be boiled

0Thank You

ANSWER

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