(I) A charged balloon repels another charged balloon as both have like charges and like charges repel each other. (II)... View Article
The correct answer is (C) Gallium Arsenide. Gallium arsenide is an example of a direct bandgap semiconductor. Explore more such... View Article
Any change in which only physical properties of substances are changed and no new substance is formed is called a... View Article
Bauxite is a form of sedimentary rock and is the principal source of the popular metal aluminium. It is usually... View Article
Three main types of RNA are: Transfer RNA (tRNA) Ribosomal RNA (rRNA) Messenger RNA (mRNA) These three types of RNA... View Article
The Correct answer is (C) Glasses. (A) Hat– is made up of the natural substance of a birds feather. (B)... View Article
The contributions of Jyotiba Phule in preparing the ground for the National Movement are: He worked for the upliftment of... View Article
The correct answer is (C) Magnetic Force. The force which a magnet exerts on iron and steel is called the... View Article
The potential energy of a hydrogen atom is zero in the ground state. An electron is a board to the... View Article
As we know, the sum of exterior angles is 360°. Therefore, 50° + 80° + x + 120° = 360°... View Article
The correct answer is (A) a > b. As given A = cosec 2° B = cosec 2 ⇒ \(\begin{array}{l}\frac{2... View Article
Geoid means an earth-like shape. Earth is slightly flattened at the poles, which is why its shape is described as... View Article
The correct answer is (D) Investigate. The meaning of look into is to investigate. Explore more such questions and answers... View Article
The correct answer is (B) NDP – Net domestic product. NDP – Net domestic product = Gross domestic product (GDP)... View Article
As given: All the works are done by the boy to climb up the ladder. Therefore work done by the... View Article
\(\begin{array}{l}(2 sin\; x – cos\; x)(1 + cos \;x) = sin^{2} x\\\Rightarrow (2\;sin x – cos\; x)(1 + cos\; x)... View Article
The points A(−4,9,6), B(−1,6,6) and C(0,7,10) form a right-angled, isosceles triangle. \(\begin{array}{l}\overrightarrow{AB} = 3\hat{i} + 3\hat{j}\\\Rightarrow \left | \overrightarrow{AB} \right... View Article
The two advantages of eddy current in practical applications are: Sensitivity to surface defects: Able to detect defects of 0.5mm... View Article
The correct answer is (C) A Bond Below The Plane Of The Paper. Explore more such questions and answers at... View Article
Sol: Let the cost price(CP) of 1 spoon = Rs.1 So, cost price(CP) of 16 spoons = Rs.16 Selling price(SP)... View Article
