Question
I. 8x – 3y = 85 II. 4x – 5y =
67 In these questions, two equations numbered I and II are given. You have to solve both equations and mark the appropriate option. Give answer:Solution
Solving both the equation we get, => x = 8 and => y = -7 Hence, x > y.
Mirror formula is
In a nuclear reaction, the product nucleus has higher binding energy per nucleon than the reactants. Which of the following is correct?
Where is the magnetic force of a bar magnet the strongest?
Which metal is liquid at room temperature? Â
If a body of mass 5 kg is raised to 10 meters height, find its potential energy. (g = 9.8 m/s²) Â
What does the slope of a velocity-time graph represent?
The current across the 3 ohm resistance in the given circuit is:
In an electric motor, energy is transformed from:
What is the work done when a force of 10 N moves an object by 5 m in the direction of the force? Â
Global warming is expected to result in