\(\begin{array}{l}T_{0}=m\omega _{0}^{2}L\end{array} \) If the length of the string and angular velocity is doubled, then \(\begin{array}{l}T = m(2\omega _{0})^{2}\left (... View Article
The answer is ‘aqueous FeCl3 solution’. Phenol gives violet or blue colouration with FeCl3 solution Hence, the correct option is... View Article
The transverse nature of light is shown by ‘polarization of light’. Hence, the correct option is (C)
Polynomial is made up of two terms, namely Poly (meaning “many”) and Nominal (meaning “terms.”). A polynomial is defined as... View Article
Given X = a sin (ωt + π/6) \(\begin{array}{l}v = \frac{dx}{dt}= a\omega cos\left ( \omega t+\frac{\pi }{6} \right )\end{array} \)... View Article
Given Radius = 100 m Time interval = 62.8 seconds On a circular path in completing one turn, the distance... View Article
An assumption of the constant marginal utility of money means the importance of money to the consumer is ‘unchanged’ Marginal... View Article
Given: They do not experience any force, i.e, the net force = 0 Hence, \(\begin{array}{l}\left | F_{g} \right |=\left |... View Article
We know, \(\begin{array}{l}g = \frac{GM}{R^{2}}\end{array} \) The mass of the earth decreases by 25% remaining 75% of M = (75/100)M... View Article
Given Speed of a train, v = 40 km/hr v = 40000/3600 m/s v = 400/36 m/s Time taken to... View Article
Given E = 3.03 x 10-19 J/atom As per the formula \(\begin{array}{l}E = \frac{hc}{\lambda }\end{array} \) or \(\begin{array}{l}\lambda = \frac{hc}{E}\end{array}... View Article
The filament in an electric bulb is made using tungsten which would burn quickly when it comes in contact with... View Article
In a hydrogen atom, the energies (in eV/atom) of electron in 1st, 2nd, 3rd, 4th and 5th energy levels are... View Article
Given length of a cylindrical roller, h = 2.5 m radius of a cylindrical roller, r = 1.75 m Total... View Article
Silicon is an important constituent of ‘rocks’. Hence the correct option is (c) Learn more: Silicon
An emulsion can be defined as a colloid consisting of two or more non-homogenous type of liquids wherein one of the... View Article
The main function of RBC is to carry oxygen to different parts of the body. Hence, the correct option is... View Article
Oogenesis is the process of formation of female gametes. This process begins inside the fetus before birth. The steps in... View Article
Credit sales are recorded in a ‘sales book’. Sales journal is used for recording all the sales done on credit... View Article