Q. A photoelectric cell is a device which? (A) Converts light energy into electric energy (B) Converts electric energy into light energy (C) Stores light energy (D) None of the above Answer: A Photoelectric cell is a device that converts light energy into electric energy. Read more: Must Read Books for Competitive Exams
Q. The image formed by concave mirror is real, inverted and of the same size as that of the object. The position of the object should be? (A) At the focus (B) At the centre of curvature (C) Between the focus and centre of curvature (D) Beyond the centre of curvature Answer: B Read more: Must
Q. What is the ‘Manhattan Project’? (A) A research and development undertaking that produced the first nuclear weapons (B) One of the largest art auctions of the world (C) A real estate project 111 New York City (D) A famous theme park Answer: A Read more: Must Read Books for Competitive Exams The Manhattan Project was
Q. What is the name of Tesla’s humanoid robot launched in October 2022? (A) Sophia (B) Atlas (C) Pepper (D) Optimus Answer: D Read more: Must Read Books for Competitive Exams Tesla CEO Elon Musk recently unveiled the latest prototype of Optimus – a humanoid robot developed by the American company based in Texas. Key facts
Q. What is/are the full form(s) of HMX? 1. High Melting Explosive 2. High-Density Monoatomic Xenon 3. Hedge Monetizing Xeno currency 4. Her Majesty’s Explosive Select the correct answer using the codes given below: (A) 1 and 2 (B) 2 and 3 (C) Only 1 (D) 1 and 4 Read more: Must Read Books for Competitive
Q. What is the ‘fibre’ used to make bulletproof jackets? (A) Nylon (B) Terylene (C) Tweed (D) Kevlar Answer: D Read more: Must Read Books for Competitive Exams Kevlar used in the vests is comprised of a woven fabric consisting of synthetic fibres made through polymerisation. It is a high strength material known for its high
Q. In the context of lab-grown diamonds (LGDs), what is used as a diamond seed? (A) White sapphire (B) Moissanite (C) Graphite (D) Cubic zirconia (CZ) Answer: C Usually graphite is used as the “diamond seed” and when subjected to these extreme conditions, the relatively inexpensive form of carbon turns into one of the most
Q. In the universe, what are pulsars? (A) A group of stars (B) Rotating neutron stars (C) Explosion of a star (D) Radio waves emitted by a star Answer: B Read more: Must Read Books for Competitive Exams Pulsars are rotating neutron stars observed to have pulses of radiation at very regular intervals that typically range
Q. Which of the following pairs are correctly matched? 1. Anorexia: Sleep disorder 2. Insomnia: Eating disorder 3. Dyspnoea: Shortness of breath 4. Anosmia: Partial or full loss of smell Select the correct answer using the codes given below: (A) Only 1 and 2 (B) Only 2 and 3 (C) Only 3 and 4 (D)
Q. Which of the following are not the tastes of the tongue? 1. Sweet 2. Bitter 3. Salty 4. Spicy 5. Umami 6. Sour 7. Pungent Select the correct answer using the codes given below: (A) 2, 5 and 7 (B) 1, 3 and 4 (C) 4 and 7 (D) 3 and 6 Answer: C