science

Ra.One

Ra.One is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Ra.One rather than just read about it. In short: Ra.One is a 2011 Indian Hindi-language superhero film directed by Anubhav Sinha and produced by Gauri Khan under Red Chillies Entertainment. The film stars Shah Rukh Khan in a dual role and Arjun Rampal as the titular antagonist, with Kareena Kapoor, Armaan Verma, Shahana Goswami, Tom Wu, Dalip Tahil and Satish Shah in supporting roles.

Key takeaways

Ra.One belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Ra.One to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Ra.One from memory before moving on to harder problems.

Reference excerpt

Ra.One is a 2011 Indian Hindi-language superhero film directed by Anubhav Sinha and produced by Gauri Khan under Red Chillies Entertainment. The film stars Shah Rukh Khan in a dual role and Arjun Rampal as the titular antagonist, with Kareena Kapoor, Armaan Verma, Shahana Goswami, Tom Wu, Dalip Tahil and Satish Shah in supporting roles. The film's title is inspired by Hindu Saga character Ravana. In the film, a video game antagonist escapes into the real world to track down the player who almost defeated him. The son of the game's deceased creator brings the game's protagonist into the real world to safeguard himself and his mother from the antagonist. Principal photography began in March 2010 and took place in India and the United Kingdom and was overseen by an international crew. The post-production involved 3-D conversion and the application of visual effects, the latter being recognised as a technological breakthrough among Indian films. With a budget of ₹150 crore (equivalent to ₹309 crore or US$32 million in 2023), inclusive of publicity costs, Ra.One was the most expensive Indian film at the time of release, surpassing the ₹132 crore (equivalent to ₹296 crore or US$31 million in 2023) budget of Enthiran (2010). The producers spent ₹150 crore (equivalent to ₹309 crore or US$32 million in 2023), including a ₹52 crore (equivalent to ₹107 crore or US$11 million in 2023) marketing budget, which involved a nine-month publicity campaign, brand tie-ups, merchandise, video games and viral marketing. The film faced controversies involving plagiarism, content leaks and copyright challenges. Ra.One was theatrically released on 24 October 2011, the beginning of the five-day Diwali weekend, in 2D, 3D and dubbed versions in Tamil and Telugu languages with three international premieres being held between 24 October 2011 and 26 October 2011. The film witnessed the largest international theatrical release for an Indian film as of 2011 and was preceded by high audience and commercial expectations. Upon release, Ra.One earned praise for the visual effects, action sequences, direction, music and the performances of Khan and Rampal, but criticism for the script. The film became the third highest-grossing Indian Hindi language film of 2011 domestically, the second highest-grossing Hindi film of 2011 worldwide, and broke a number of opening box office records. It is also one of the highest grossing Indian superhero films. The film also earned more than ₹207 crore (US$21 million) worldwide against a budget of ₹150 crore (US$16 million), and was a commercial success. It subsequently won a number of awards for its technical aspects, notably one National Film Award, one Filmfare Award and four International Indian Film Academy Awards. While initially mixed around its time of release, the film's reception has improved over the years, thus establishing it as a cult film.

… excerpt ends here. Continue reading the full article.

Illustrations

Ra.One: G.One's costume prior to the addition of visual effects — G.One's costume prior to the addition of visual effects

Ra.One: Ra.One's poster featuring Arjun Rampal. This look was kept in secrecy throughout the production of the film until release. — Ra.One's poster featuring Arjun Rampal. This look was kept in secrecy throughout the production of the film until release.

Worked examples

Example 1 — a first encounter with Ra.One

Start with the simplest possible case. Write down what Ra.One claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Ra.One before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Ra.One ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Ra.One

In research: Ra.One appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Ra.One in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Ra.One is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2010s techno-thriller films, 2011 3D films, 2011 Indian films, so understanding it makes those chapters shorter.
In everyday life: Look for Ra.One outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Ra.One in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Ra.One means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Ra.One out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Ra.One in simple terms?

Why does Ra.One matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Ra.One?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Ra.One.