
2435. What is the working principle of a rocket?
Conservation of momentum
2436. When a coil is rotated in a magnetic field, induced current is generated in the coil. This principle is used in making -----?
Electric generator
2437. Sun can be seen for some time even after sunset. Which phenomenon of light is causing this?
Refraction
2438. Which color of light travels most slowly through glass?
Violet
2439. In photosynthesis, light energy is converted into ------?
Chemical energy
2440. What is the purpose of the ball bearings used in vehicles?
To reduce friction
2441. Grassland found in Africa is --------?
Savanna
2442. Which was the famous horse of Rana Prathap?
Chetak
2443. Which is the southern most range of Himalayas?
Outer Himalayas or Shivalik Range
2444. A ship floats on water. This can be explained by which principle?
Archimedes' Principle
2445. Which type of lens is used to rectify myopia?
Concave lens
2446. What are the three primary colors used in a color TV?
Green, Blue, Red
2447. Which device is used to convert sound waves into electric waves?
Microphone
2448. What is the working principle of the optical fibre?
Total internal reflection
2449. Which is India's fastest train service?
Gatiman Express
2450. Who was the founder of Bharatiya Vidya Bhavan?
K M Munshi
2451. The most fertile soil found in India is ---------?
Alluvial soil
2452. The institution of Ombudsman was first created in -----?
Sweden
2453. Lokayukta submits its report to -------?
Governor
2454.Which Five Year Plan was based on Harrod-Domar model?
First Five Year Plan
2455. Who is known as 'the George Washington of South America'?
Simon Boliver
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