Question
Which security measure helps protect against
unauthorized access to a computer system by requiring users to log in multiple times?Solution
An account lockout policy helps protect against unauthorized access by locking out user accounts after multiple failed login attempts.
Which metal is the best conductor of electricity?
Two charges +4μC and +9μC are separated by 60 cm. Where should a third charge be placed so that it experiences zero net force? (from +4μC charge)
A person rings a metallic bell near a strong concrete wall. He hears the echo after 0.3 s. if the sound moves with a speed of 340 m/s, how far is the wa...
Which of the two temperature scales are same ?
Chemical equation is balanced according to the law of
What is the main cause of the 'Itai-Itai' disease?
The escape velocity from a planet is 11.2 km/s. What is the minimum kinetic energy per kg needed to escape?
1. 6.3 x 107 J/ Kg
<...A projectile is fired at an angle of 45° with a speed of 20 m/s. What is the maximum height reached? (Take g = 10 m/ s² )
Which of the following is an example of a physical change?
