Most voted puzzles under tag physics

+3 votes

Thermodynamics: What is the temperature of a system that has reached a minimum entropy value i.e. least entropy possible

posted Nov 16, 2016 by George Davros

+3 votes

How will you plan your escape before you freeze to death on the frozen lake?

posted Oct 20, 2014 by Atif

+2 votes

General physics question: please help me electromagnetics?

posted Nov 13, 2017 by anonymous

+2 votes

A book is at rest on a table. Table is slowly tipped until book begins to slide. At what angle will book begin to move?

posted Jan 29, 2017 by anonymous

+2 votes

Shor's Algorithm is used in what type of computer system?

posted Dec 16, 2016 by George Davros

+2 votes

Physics: Student taking the exam received a zero for this particular question, can you answer the 2 questions?

posted Sep 23, 2016 by George Davros

+2 votes

Space Travel: You've managed to hop a flight on a Space Craft which was able to attain a speed of 86.6% speed of light..

posted Sep 17, 2016 by George Davros

+1 vote

Find the position in metres from the origin at which A overtakes B?

posted Nov 7, 2019 by Brijesh Talwar

+1 vote

In a car race, car A takes 4 seconds less than car B at the finish and passes the............Find the velocity v in m/s.

posted Nov 7, 2019 by Saif Khanam

+1 vote

A ball is thrown upwards with speed v from the top of a tower and its reaches...........What is the height of the tower?

posted Nov 5, 2019 by Nikita Sehgal

+1 vote

A Van contains some helium-filled balloons. When it starts accelerating what happens to balloons?

posted Apr 22, 2019 by anonymous

+1 vote

A spherical shell of mass m is resting on rough horizontal plane with coefficient of friction 0.3 a horizontal force...

posted Dec 6, 2018 by Tanya

+1 vote

How does the speed of the rocket vary with time if fuel is ejecting at a uniform rate?

posted Jun 3, 2017 by anonymous

+1 vote

Simple Simon the pi-man strikes again: identify the following equation -

posted Dec 29, 2016 by George Davros

+1 vote

Simple Simon the pi-man asks: can you identify the famous equation of which the following is a part of?

posted Dec 23, 2016 by George Davros

+1 vote

Fill in the hyphenated blank:

posted Dec 13, 2016 by George Davros

+1 vote

Above what temperature does the word temperature looses its meaning ?

posted Dec 11, 2016 by Tejas Naik

+1 vote

Simple Simon the pi-man asks: can you identify the following equation?

posted Dec 8, 2016 by George Davros

+1 vote

Famous female French scientist of the 1700's:

posted Sep 18, 2016 by George Davros

+1 vote

Calling all electrical engineers

posted Sep 16, 2016 by George Davros

+1 vote

How much force must be applied to maintain a constant velocity?

posted Oct 30, 2014 by Nikhil Pandey

+1 vote

How much force must be applied to maintain a constant velocity?

posted Oct 22, 2014 by anonymous

0 votes

What is the loneliest of all physics concepts?

posted Dec 21, 2023 by Ritika

0 votes

Find the height in metres from which he bails out of the plane?

posted Dec 3, 2019 by Anshika Utadi

0 votes

A stone is dropped into a well of depth 67.6 m. The splash of water is heard..........Find the velocity of sound in m/s?

posted Nov 7, 2019 by Chahat Sharma

0 votes

Calculate the maximum velocity of the particle in m/s?

posted Nov 6, 2019 by Karan Joglekar

0 votes

A helium balloon leaves the ground at a point A and rises vertically............what is the speed of the balloon in m/s?

posted Oct 4, 2019 by Samardeep Acharya

0 votes

Estimate the volume of a hydrogen filled balloon that can lift 24 kg load in air?

posted May 8, 2019 by anonymous

0 votes

What is potential difference bw 2 pts when 1 joule of work is done to move a charge of 1 coulomb from one pt to other?

posted Jan 15, 2019 by anonymous

0 votes

In which tumbler do you expect the water to cool down faster?

posted Oct 16, 2018 by anonymous

0 votes

A convex lens have focal length 30cm at what distance the object must be placed to form an image at 60cm?

posted Oct 2, 2018 by anonymous

0 votes

A jet fighter has released a bomb. What is the path of the bomb as observed by a stationary solider on the ground?

posted Sep 24, 2018 by anonymous

0 votes

A Brine has a density of 1.2 g/cc. If 40cc of it are mixed with 30cc of water then what is the density of solution?

posted May 7, 2018 by Mohit Pradhan

0 votes

Simple pendulum with length l and bob of mass m execute SHM with amplitude A. What would be maximum tension on string?

posted Apr 3, 2018 by anonymous

0 votes

How will the tensions change if the whole setup starts accelerating in the upward direction? [MCQ]

posted Mar 3, 2018 by anonymous

0 votes

Water is gushing through a pipe which narrows at the outlet. At which point will the water flow fastest? [MCQ]

posted Dec 5, 2017 by anonymous

0 votes

A weighing machine installed in a lift. What will happen to the machine reading if lift starts accelerating downward?

posted Nov 24, 2017 by anonymous

0 votes

If a 40 W and a 60 W lamps are connected in a series. Which lamp will be brighter and why?

posted Sep 20, 2017 by anonymous

0 votes

The engine of a car applies enough force to accelerate the car from 0 km/h to 180 km/h covering a distance of 100 m...

posted Sep 12, 2017 by anonymous

0 votes

A body covers a distance of 1m along a semi circular path what is the magnitude of displacement of the body?

posted Jul 6, 2017 by anonymous

0 votes

In the given image if pipe is completely filled with water, then at which point is the speed of the water flow greater?

posted Jun 16, 2017 by anonymous

0 votes

What would be the temperature of resultant if we mix 1kg of ice with 1kg of steam?

posted May 14, 2017 by anonymous

0 votes

A ball weighing 200g is thrown vertically upward with speed of 20 m/s. What will be its momentum at its highest point?

posted Apr 24, 2017 by anonymous

0 votes

Three bags are connected by two ropes of equal strength. On pulling bags towards the left, which rope will break first?

posted Apr 23, 2017 by anonymous

0 votes

Calculate the resistance between the terminals A and B in the image?

posted Apr 12, 2017 by anonymous

0 votes

An object of mass m = 2 kg is lying on a rough inclined slope and in rest. Find the magnitude of contact force...

posted Mar 31, 2017 by anonymous

0 votes

Two blocks are held against the wall by applying a horizontal force as shown in the diagram....

posted Mar 22, 2017 by anonymous

0 votes

A mass m resting on a rough table is pulled by a force F. If k is Coefficient of friction ten what will be acceleration?

posted Feb 1, 2017 by Sachite Anand

0 votes

A piece of wire is cut into two equal parts. How does the resistance of each part compare with the original?

posted Jan 7, 2017 by anonymous

0 votes

Magic in the Laws of Physics:

posted Nov 6, 2016 by George Davros