The correct answer is C because no Indian male actor has ever won the Academy Award for Best Actor in the history of the Oscars. While several Indian actors have been nominated or won awards in other categories, none have achieved this particular distinction in the Best Actor category. Options A and B likely mentioned specific actors who may have won other major awards or received nominations, but they have not won the Best Actor Oscar. This question tests knowledge of major international film awards and the achievements of Indian cinema on the global stage.

The question asks about a lifetime achievement award in cinema given at India's National Film Awards ceremony.

The Dadasaheb Phalke Award is India's highest award for cinema, named after the pioneering filmmaker Dadasaheb Phalke, and is presented annually at the National Film Awards ceremony.

Comparing the award that matches the description (lifetime achievement in cinema at National Film Awards, India) against the given options confirms that option A is correct.

The Dadasaheb Phalke Award is the prestigious lifetime achievement award in cinema conferred at the National Film Awards ceremony in India.

Bal Gangadhar Tilak (1856-1920) was revered as 'Lokmanya' (beloved of the people) and was a pivotal figure in the Swaraj movement, advocating for self-rule through his newspaper 'Kesari'.

His famous quote 'Swaraj is my birthright' became a rallying cry for Indian independence.

He is considered one of the architects of modern Indian nationalism.

Homi Bhabha studied at the University of Cambridge and later worked at the Cavendish Laboratory.

He was instrumental in establishing the Tata Institute of Fundamental Research (TIFR) and laid the foundation for India's nuclear energy program, earning him the title 'Father of Indian Nuclear Program'.

His work bridged theoretical physics with practical nuclear applications.

Savitribai Phule (1831-1897) was a pioneering social reformer who established one of the first schools for girls in India and fought against child marriage and for widow remarriage.

She worked alongside her husband Jyotirao Phule in the Phule Movement, which aimed at social equality and education for all sections of society, particularly women and marginalized communities.

Her efforts made her a precursor to modern feminism in India.

'My Experiments with Truth' is the autobiography of Mahatma Gandhi, not Jiddu Krishnamurti.

Krishnamurti was a spiritual philosopher known for works like 'The Awakening of Intelligence' and 'Freedom from the Known' that focus on consciousness and human transformation.

In '1984', the protagonist Winston Smith lives in Oceania, a totalitarian superstate that includes the British Isles.

The novel depicts a dystopian world divided into three superpowers: Oceania, Eurasia, and Eastasia, each engaged in perpetual warfare.

Speed of light in vacuum is a fundamental physical constant that remains the same regardless of the observer's reference frame.

The speed of light in vacuum (denoted as 'c') is the fastest speed at which energy or information can travel through space. This is a universal constant established by Einstein's theory of relativity.

The experimentally determined speed of light in vacuum is approximately 299,792,458 m/s, which is commonly rounded to:

- Option (A) 2×10⁸ m/s — too low, doesn't match experimental data

- Option (B) 3×10⁸ m/s — matches the accepted standard value

- Option (C) 4×10⁸ m/s — too high

- Option (D) 1×10⁸ m/s — far too low

This value is used in all physics formulas involving light, such as Einstein's E = mc² equation and electromagnetic wave calculations.

Therefore, the speed of light in vacuum is 3×10⁸ m/s

Vatican City is an independent city-state located entirely within Rome, Italy, and is the smallest country in the world by both area and population.

- Vatican City: 0.44 square kilometers (approximately 110 acres)

- Monaco: 2.02 square kilometers

- San Marino: 61.2 square kilometers

- Liechtenstein: 160.5 square kilometers

Therefore, the answer is C) Vatican City - the smallest country in the world at 0.44 sq km.

The Dead Sea, the lowest point on Earth's surface, is located between Israel and Jordan.