List of practice Questions

In Young's double slit interference experiment, using two coherent waves of different amplitudes, the intensity ratio between bright and dark fringes is 3. Then, the value of the ratio of the amplitudes of the waves that arrive there is

In Young's double slit experiment, the ratio of maximum and minimum intensities in the fringe system is 9:1. The ratio of amplitudes of coherent sources is

The equation of a stationary wave is \( y = 20 \sin(\pi x) \cos(\omega t) \), where \( x, y \) are in metre and \( t \) is in second. The distance between a node and its adjacent antinode is:

The ratio of intensities at two points \( P \) and \( Q \) on the screen in a Young's double-slit experiment, where the phase difference between two waves of the same amplitude are \( \frac{\pi}{3} \) and \( \frac{\pi}{2} \), respectively, is:

Ki are possible values of K for which lines \(Kx + 2y + 2 = 0\), \(2x + Ky + 3 = 0\), \(3x + 3y + K = 0\) are concurrent, then \(∑k_i\) has value.

The ratio of lone pair of electrons to bond pair of electrons in ozone molecule is:

Why did the time period of rotation of Earth decrease by microseconds after the Japan 2011 earthquake?

There is certain relationship between two given words on one side of : : and another word is given on the other side of : : find the other word from the given alternatives having a same relation with this word as the words of the given pair.Foot : Skateboard : : Oar

In an extended family, A is married to B and B has two sons C and D. The younger son D is married to E. F has two children E and G. How is G related to D?

Few men were sitting in a row facing north in a row. Sunil is 16th to the left of Ram, who is 18th from the right. Jack is 11th from left and is also 4th to the right of Sunil. How many men were sitting in a row.

Find the odd one among the following:

If RASCAL is written as -22, then SIMPLE is written as

Deepti was walking with her husband Rajiv. They met a Woman Milli. Deepti introduced Milli to Rajiv and said "Her brother's father is the only son of my grandfather. "How is Deepti related to Milli?

Count the member of triangles in the following figure.

A is the son of B, whose mother is C. D is the husband of E the grand-daughter of C. If F is the wife of A,how is F's father-in-law related to D's daughter?

A girl leaves her home and walks 30 mt towards north. She turns clockwise by 45° and walks 30 meter. Then she turns anti-clockwise by 45° and walks 30 meter, Then she turns by 90° towards her left and walks 60 meter. There she turns towards her home. In which direction is she walking?

The following question consists of a statement followed by two arguments I and II. Choose the best option.
Statement: Should the cottage industry be shifted to urban cities from villages?
Argument I: No, the rural population will die of hunger.
Argument II: Yes, rural people will be encouraged to adopt farming as their livelihood.

A word is represented by only one set of numbers as given in any one of the options. The sets of numbers given in the, options are represented by two classes of alphabets as in the two matrices. A letter from matrices are represented first by row and then by its column number. Identify set for the word.