Q. We are given three copper wires of different lengths and different areas of cross-section. Which one of the following would have highest resistivity?
1) Copper wire of 50 cm length and 1 mm diameter
2) Copper wire of 25 cm length and 0.5 mm diameter
3) Copper wire of 10 cm length and 2.0 mm diameter
4) All the wires would have same resistivity
Q. Osmosis is the process of movement of water molecules from its -
1) higher concentration to its lower concentration through a cell wall
2) lower concentration to its Jiigher concentration through a fully permeable membrane
3) higher concentration to its lower concentration through a fully permeable membrane
4) higher concentration to its lower concentration tihrough a semi-permeable membrane
Q. In which of the following cases of motion are the distance moved and the magnitude of displacement equal?
1) If a car is moving on straight road
2) If a car is moving on Circular Road
3) If the pendulam is moving to and fro
4) If a planet is moving around the sun
Q. Agents of fog formation do not include?
1) High Relative density
2) Diurnal temperatures of short ranges
3) Winter season
4) Rapid Radiation
Q. The best evidence for the existence and movement of particles in liquids was given by -
1) John Dalton
2) Ernest Rutherford
3) J. J. Thomson
4) Robert Brown
Q. Which of the following is the best conductor of electricity?
1) Copper metal
2) Aluminium metal
3) Silver metal
4) Iron metal
Q. Which of the following statements is/are correct?
I. The force between two bodies is directly proportional to the product of their masses.
II. The force between two bodies is inversely proportional to the square of the distance between them.
III. The force between two bodies is the ratio of their masses.
Correct code is -
1) Only I is correct
2) Only II is correct
3) I and II both are correct
4) I, II and III all are correct
Q. Concrete sleeper or wooden sleepers are kept below the iron rails of railway track so that -
I. The weight of the passing train is spread over a large are a of ground
II. The track may not sink into the ground
III. The distance between the two rails remains the same.
Correct code is -
1) Only I
2) Only II
3) Only III
4) All I, II and III All
Q. Aluminium is manufactured from -
1) Copper ore
2) Bauxite ore
3) Mica ore
4) Manganese ore
Q. The best malleable metal is -
1) Aluminum
2) Silver
3) Gold
4) Lead
IntroductionAre you passionate about sports but don't see yourself as an athlete? Do you find the business side of sports fascinating? A career in sports management could be your winning ticket! This field combines business, sports, and management, offering dynamic roles that go far beyond the field →
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