Q. The angular speed of a whirlwind in a tornado towards the centre
1) remains constant
2) decreases rapidly
3) increases
4) slowly becomes zero
Q. We observe twinkling of stars due to
1) constant change of refractive index of the medium between the stars and the Earth because of temperature variation
2) frequent and periodic fluctuation of temperature of the surface
3) great distance of stars from the Earth
4) rise and fall of gaseous ball of fire inside the stars
Q. Global positioning system (GPS) is associated with
1. determining latitude and longitude
2. constellation of satellites
3. US system of GPS and Russian system of GLONASS
4. navigation
Select the correct answer using the code given below:
1) 1 and 4 only
2) 1, 2 and 4 only
3) 2 and 3 only
4) 1, 2, 3 and 4
Q. Which one among the following statements is correct?
1) In winter season, the duration of day is more in northern hemisphere
2) In summer season, the duration of day is more in northern hemisphere
3) In summer season, the duration of day is less in northern hemisphere
4) In winter season, the duration of day is less in southern hemisphere
Q. What is the similarity between Milwaukee Deep, Java Trench and Challenger Deep?
1) They are the deepest points of the Atlantic, Indian and Pacific Oceans, respectively
2) They all are trenches in the Pacific Ocean
3) They all are trenches in the Indian Ocean
4) They all are deeps of the Atlantic Ocean
Q. Which one among the following statements is correct?
1) Concave mirrors are used as reflectors
2) Convex mirrors are used by doctors to examine oral cavity
3) Convex mirrors are used as reflectors
4) Convex mirrors should be used as shaving
Q. Which one among the following is the major cause of blurring and unsharp images of objects observed through very large telescope at the extreme limit of magnification?
1) Air turbulence of earth's atmosphere
2) Poor optical polish achievable on large mirrors
3) Poor tracking capacities of telescopes
4) Varying density of air in the Earth's atmosphere
Q. The material used for electric fuse is an alloy of tin and lead. This alloy should have:
1) high specific resistance and low melting point.
2) low specific resistance and high melting point.
3) low specific resistance and low melting point.
4) high specific resistance resistance and high melting point
Q. Light travels slower in glass than in air because:
1) refractive index of air is less than that of glass.
2) refractive index of air is greater than that of glass.
3) density of glass is less than that of air
4) density of glass is greater than that of air.
Q. A Jet engine works on the principle of Conservation of:
1) linear momentum
2) angular momentum
3) energy
4) mass
Interior design is a fun and creative field. It mixes art and practicality to make spaces look good and work well. With more people wanting great places to live and work, the need for skilled interior designers is rising. Let’s look at what it takes to have a career in interior design, including nee →
Foundation Date: December 8, 1991 Headquarters: The Republic of Belarus Executive Secretaries: Sergei Lebedev Member Countries: 12 Commonwealth of Independent States (CIS) was established on December 8, 1991, and the leaders of the Republic of Belarus, the Russian Federation, and Ukraine signed an a →
In 2009, an unknown programmer by the name of Satoshi Nakamoto put forward a whitepaper that proposed a creation of new form of digital currency - cryptocurrency. Cryptocurrency functions the same way as regular currencies do in that its used as a means of exchange, unit of account and a store of va →
Headquarter: New Delhi Function and Objective of the Organization: The Food Safety and Standards Authority of India (FSSAI)has been established under Food Safety and Standards Act, 2006 which consolidates various acts & orders that have hitherto handled food-related issues in various Ministries →
If you contribute your content to our site. Please mail us your content to editor@onlinegk.net