Question
Which two signs should be interchanged to make the
following equation correct? 9 × 10 ÷ 2 – 4 = 51 + 2ÂSolution
9 × 10 ÷ 2 + 4 = 51 – 2  9 × 5 + 4 = 49 45 + 4 = 49 49 = 49
A car moving at 72 km/h is brought to rest in 10 seconds. What is its acceleration? Â
Frequency modulation (FM) changes:
How does the angle of minimum deviation of a glass prism of refractive index 1.5 change, if it is immersed in a liquid of refractive index 1.25?
The moment of inertia of a thin rod of length L and mass M about an axis perpendicular to the rod and passing through a point at a distance L/4 from one...
A stream of water flowing horizontally with a speed of 20 m/s pushes out of a tube of cross-sectional area 10-1m2 and hits at a v...
Focal length of a concave lens with power –2 D:
Which graph represents uniform motion?
What will happen to the volume of ozone, when it is heated?
Which instrument is used to measure electric current? Â
The heat required to raise the temperature of 1 kg of water by 1°C is called: Â
