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JEE Main Class XI Weekly Mock 17

Attempt now to get your rank among 669 students!

Question 1

Which of the following is most stable -

Question 2

is more stable than

because
(I) (II)

Question 3

Arrange following compounds for their acidic strength order

Question 4

Which order is true for resonance energy

Question 5

In when of the following lone fair indicated is involved in resonance

Question 6

The equation of the circle which pass through (2a, 0), whose radical axis in relation to the circle x² + y² = a² is x =

a is -

Question 7

Equation of the circle whose radius is 5 and which touches externally the circle x² + y² – 2x – 4y – 20 = 0 at the point (5, 5) is

Question 8

In an equilateral triangle of side

cms, the circum radius (in cm) is -

Question 9

If 8R² = a² + b² + c², then the Δ is -

Question 10

A variable circle passes through the fixed point A (p, q) and touches x-axis. The locus of the other end of the diameter through A is

Question 11

When a stretched string of length L is vibrating in a particular mode, the distance between two nodes on the string is A. The sound produces in this mode of vibration constitutes the nth overtone on the fundamental frequency of the string–

Question 12

A uniform rope hangs from a rigid support with a block attached at the other end. A transverse pulse is produced at the lower end. The speed with which the pulse travels along the rope–

Question 13

A sonometer wire under tension T is in unison with a tuning fork of frequency 250 Hz. If now the sonometer wire is replaced by another hollow wire of the same diameter, the number of loops shall-