Question
`11(2/13)` + `5(2/11)` - `3(4/9)` =
? What will come in place of question mark (?) in the following question (you do not have to calculate the exact value)?Solution
`11(2/13)` + `5(2/11)` - `3(4/9)` = ? ? = `145/13+57/11- 31/9` ? = 11 + 5 – 3 = 13
When do spring tides occur?
Two sound waves have frequencies 256 Hz and 260 Hz. The beat frequency is:
A car travels 300 m in 20 seconds. What is its average speed?
The magnetic field inside a long straight solenoid is:
An example of longitudinal waves (in a gas medium) is:
In a logic gate, the output is 1 only when at least one input is 1. This gate is:
Which instrument is primarily used to measure the relative density of liquids by utilizing the principle of buoyancy?
A ray of light is incident on a transparent medium at an angle of 60°. The reflected ray of light is found to be completely Q.4 polarized. Then, the r...
A particle is fired with initial speed 30 m/s and lands back at same horizontal level. If its horizontal range is equal to 4.5 times the vertical height...
An object moves towards a convex lens of focal length 20 cm with a velocity of 5 cm/s. When the object is at 30 cm from the lens, find the rate at which...
Relevant for Exams:
