List of practice Questions

A proton, a deuteron and an α-particle with same kinetic energy enter into a uniform magnetic field at right angle to magnetic field. The ratio of the radii of their respective circular paths is :

Given below are two statements:
Statement-I : The reactance of an ac circuit is zero. It is possible that the circuit contains a capacitor and an inductor.
Statement-II : In ac circuit, the average power delivered by the source never becomes zero.
In the light of the above statements, choose the correct answer from the options given below.

The height of any point P above the surface of earth is equal to diameter of earth. The value of acceleration due to gravity at point P will be (Given g = acceleration due to gravity at the surface of earth).

The terminal velocity \((v_t)\) of the spherical rain drop depends on the radius (r) of the spherical rain drop as

The relation between root mean square speed \((v_{rms})\) and most probable speed (\(v_p\)) for the molar mass M of oxygen gas molecule at the temperature of 300 K will be

Match List-I with List-II

List-I	List-II
(A) AC generator	(I) Detects the presence of current in the circuit
(B) Galvanometer	(II) Converts mechanical energy into electrical energy
(C) Transformer	(III) Works on the principle of resonance in AC circuit
(D) Metal detector	(IV) Changes an alternating voltage for smaller or greater value

Choose the correct answer from the options given below.

Bonding in which of the following diatomic molecule(s) become(s) stronger, on the basis of MO Theory, by removal of an electron?
(A) NO
(B) N₂
(C) O₂
(D) C₂
(E) B₂
Choose the most appropriate answer from the options given below :

Incorrect statement for Tyndall effect is:

Leaching of gold with dilute aqueous solution of NaCN in presence of oxygen gives complex [A], which on reaction with zinc forms the elemental gold and another complex [B]. [A] and [B], respectively are :

Number of electron deficient molecules among the following
\(PH_3, B_2H_6, CCl_4, NH_3, LiH \) and \(BCl_3\) is

Choose the correct word with the suffix ‘ING’. Which of the following words correctly ends with the suffix ‘ING’ to form a proper English word?

Fill in the blank with the correct question tag: Everything is lost ............. ?

Select the word that is closest in meaning to the word underlined in the given sentence.
Her views are not in consonance with her husband's.

Choose the word which can be substituted for the given sentence.
“Medicine given to counteract Poison”

Choose the word which can be substituted for the given sentence.
‘Person who files a suit’.

Out of the four alternatives suggested, select one which best expresses the same sentence in passive/active voice.
“She took the dog for a walk”

Fill in the blanks by choosing the appropriate auxiliary verb from the options:
You ............. to finish this on time because you have no choice

Fill in the blank by selecting the correct pronouns from the options given.
“Taruna is the receptionist ............. I have employed in my office.”

Fill in the blank by choosing the correct word from the given options.
“The police asked the lady to ............. her mask to check her identity.”