Latest Posts

Rigor Mortis Is Due To _____.

Rigor Mortis is called the third stage of death. It is one of the recognizable signs of death, which is... View Article

The Volume Of A Solid Cylinder Is 448π Cm3 And Height 7 Cm. Find Its Lateral Surface Area And Total Surface Area.

Let the radius of the base and height of the cylinder be r cm and h cm, respectively. height =... View Article

Which Of The Following Cities Lies To The Westernmost Longitude? (A) Bhopal. (B) Nagpur. (C) Jaipur. (D) Hyderabad.

The correct answer is (C) Jaipur. Explore more such questions and answers at BYJU’S.

History Of Spherical Mirrors In Human Civilization.

A mirror that has the shape of a piece cut out of a spherical surface is called a spherical mirror.... View Article

List Two Applications Of Reflection Of Sound.

The working of a stethoscope is also based on the reflection of sound. Reflection of sound is used to measure... View Article

What Is The Limit As X Approaches Infinity Of Cos X 2?

The limit does not exist. \(\begin{array}{l}\lim_{x\rightarrow \infty} cos\left (\frac{1}{x} \right) = 1\end{array} \) Explore more such questions and answers at... View Article

Work Done Is Said To Be Zero If The Applied Force Is ………….. To The Direction Of Displacement.

The answer is perpendicular. W = F * S * cosθ For zero Work done θ = 90 cos90° =... View Article

What Is The Least Count Of Meter Rod?

The least count of meter rod is 1 cm. Explore more such questions and answers at BYJU’S.

Clay Is Separated From Water By The Method Called _____.

The answer is Decantation. Clay is separated from water by the method called loading and decantation. Loading is the process... View Article

The second Carnatic war was fought between two nizams along with the English and French. They were (A) Anwaruddin and Chanda Sahib. (B) Muzaffar Jung and Anwaruddin.(C) Muzaffar Jung and Nasir Jung.(D) Chanda Sahib and Muzaffar Jung.

The correct answer is (C) Muzaffar Jung and Nasir Jung. Explore more such questions and answers at BYJU’S.

A kite is flying at a height of 60m above the ground. the string attached to the kite is temporarily tied to a point on the ground. the inclination of the string with the ground is 60°. Find the length of the string assuming that there is no slack in the spring.

P is the position of the kite. Its height from the point Q (on the ground)= PQ = 60m. Let... View Article

Assertion: Resonance is a special case of forced vibration in which the natural frequency of vibration of the body is the same as the impressed frequency of external periodic force and the amplitude of forced vibration is maximum. Reason: The amplitude of forced vibrations of a body increases with an increase in the frequency of the externally impressed periodic force. (a) both assertion and reason are incorrect. (b) the assertion is correct but the reason is incorrect. (c) both assertion and reason are correct and the reason is the correct explanation for assertion. (d) both assertion and reason are correct but the reason is not the correct explanation for assertion.

The correct answer is (B) The Assertion Is Correct But The Reason Is Incorrect. Explore more such questions and answers... View Article

The pH Of 0.1M NaOH Is (A) 10.(B) 11.(C) 12.(D)13.

The correct answer is (D) 13. NaOH is a strong electrolyte, which completely dissociates in an aqueous solution. \(\begin{array}{l}NaOH \rightarrow... View Article

Water rises to height h in the capillary tube. If the length of the capillary tube above the surface of the water is made less than h then: (A) Water does not rise at all. (B) Water rises up to a point a little below the top and stays there. (C) Water rises up to the tip of the capillary tube and then starts overflowing like a fountain. (D) Water rises up to the top of the capillary tube and stays there without overflowing.

The correct answer is (D) Water rises to the top of the capillary tube and stays there without overflowing. Explore... View Article

If X 2 +3X+1=0, Then The Roots Of The Equation Are X= −3± M/2.What Is The Value Of M?

Given: \(\begin{array}{l}x^{2} + 3x + 1 = 0\end{array} \) Applying quadratic formula: \(\begin{array}{l}x = \frac{-b \pm \sqrt{b^{2} – 4ac}}{2}\end{array} \)... View Article

A Vector Perpendicular To The Vector ( I^+2 J^ )And Having Magnitude 3 Sqrt 5 Units Is _____.

Let a vector, r = xi + yj is perpendicular to A = (i + 2j) Therefore, dot product of... View Article

Two identical ball-bearings in contact with each other and resting on a frictionless table are hit head-on by another ball bearing of the same mass moving initially with speed v. If the collision is elastic, which of the following (Fig.) is a possible result after collision?

Let the mass of each ball be m. The kinetic energy (KE) of the system before collision = \(\begin{array}{l}\frac{1}{2}mv^{2}\end{array} \)... View Article

«
1
…
1,414
1,415
1,416
1,417
1,418
…
5,472
»