Goyal Brothers Prakashan Class 10 ICSE Physics Solutions

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Goyal Brothers Prakashan Class 10 ICSE Physics Solutions. We covered all the Goyal Brothers Prakashan Class 10 ICSE Physics Solutions in this post for free so that you can practice well for the exam.

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Class 10 ICSE Physics Mock Test for Students

A man sets his watch by a whistle that is 2 km away. How much will his watch be in error? (Speed of sound in air 330 m/s) ?

A traveling wave phases a point of observation. At this point, the time interval between successive crests is 0.2 seconds and :

For the phenomenon of interference, the necessary conditions are :

The intensity of sound gets reduced by 20% on passing through a slab. The reduction in intensity on passage through two consecutive slabs is :

A sample of oxygen at NTP has volume v and a sample of hydrogen at NTP has volume 4v. Both the gases are mixed and the mixture is maintained at NTP. If the speed of sound in hydrogen at NTP is 1270 m/s, that in the mixture will be :

A plane wave is represented by x = 1.2 sin (314 t + 12.56 y) Where x and y are distances measured along in the x and y direction in meters and t is time in seconds. This wave has :

A source of unknown frequency gives 4 beats/s when sounded with a source of known frequency 250 Hz. The second harmonic of the source of unknown frequency gives five beats per second when sounded with a source of frequency 513 Hz. The unknown frequency is

A tuning fork of frequency 480 Hz produces 10 beats per second when sounded with a vibrating sonometer string. What must have been the frequency of the string if a slight increase in tension produces fewer beats per second than before?

Class 10 ICSE Physics Mock Test for Students

A man sets his watch by a whistle that is 2 km away. How much will his watch be in error? (Speed of sound in air 330 m/s) ?

(A) 3-second fast

(B) 3-second slow

(D) 6-second slow

Option d – 6-second slow

A traveling wave phases a point of observation. At this point, the time interval between successive crests is 0.2 seconds and :

(A) The wavelength is 5m

(B) The frequency is 5 Hz

(D) The wavelength is 0.2 m

Option b – The frequency is 5 Hz

For the phenomenon of interference, the necessary conditions are :

(A) The two sources must be of the same frequency

(B) The two sources must be of the same amplitude

(D) All the above three conditions are necessary

Option a – The two sources must be of the same frequency

The intensity of sound gets reduced by 20% on passing through a slab. The reduction in intensity on passage through two consecutive slabs is :

(A) 40%

(B) 36%

(D) 50%

Option b – 36%

A sample of oxygen at NTP has volume v and a sample of hydrogen at NTP has volume 4v. Both the gases are mixed and the mixture is maintained at NTP. If the speed of sound in hydrogen at NTP is 1270 m/s, that in the mixture will be :

(A) 317 m/s

(B) 635 m/s

(D) 950 m/s

Option b – 635 m/s

A plane wave is represented by x = 1.2 sin (314 t + 12.56 y) Where x and y are distances measured along in the x and y direction in meters and t is time in seconds. This wave has :

(A) A wavelength of 0.25 m and travels in the positive direction of X – the axis

(B) A wavelength of 0.25 m and travels in a positive direction of Y – the axis

(D) A wavelength of 0.5 m travels in the negative direction of X – the axis.

Option c – A wavelength of 0.5 m and travels in the negative direction of Y – the axis

A source of unknown frequency gives 4 beats/s when sounded with a source of known frequency 250 Hz. The second harmonic of the source of unknown frequency gives five beats per second when sounded with a source of frequency 513 Hz. The unknown frequency is

(A) 246 Hz

(B) 240 Hz

(D) 254 Hz

Option d – 254 Hz

A tuning fork of frequency 480 Hz produces 10 beats per second when sounded with a vibrating sonometer string. What must have been the frequency of the string if a slight increase in tension produces fewer beats per second than before?

(A) 460 Hz

(B) 470 Hz

(D) 490 Hz

Option b – 470 Hz

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Class 10 ICSE Physics Mock Test for Students

A man sets his watch by a whistle that is 2 km away. How much will his watch be in error? (Speed of sound in air 330 m/s) ?

A traveling wave phases a point of observation. At this point, the time interval between successive crests is 0.2 seconds and :

For the phenomenon of interference, the necessary conditions are :

The intensity of sound gets reduced by 20% on passing through a slab. The reduction in intensity on passage through two consecutive slabs is :

A sample of oxygen at NTP has volume v and a sample of hydrogen at NTP has volume 4v. Both the gases are mixed and the mixture is maintained at NTP. If the speed of sound in hydrogen at NTP is 1270 m/s, that in the mixture will be :

A plane wave is represented by x = 1.2 sin (314 t + 12.56 y) Where x and y are distances measured along in the x and y direction in meters and t is time in seconds. This wave has :

A source of unknown frequency gives 4 beats/s when sounded with a source of known frequency 250 Hz. The second harmonic of the source of unknown frequency gives five beats per second when sounded with a source of frequency 513 Hz. The unknown frequency is

A tuning fork of frequency 480 Hz produces 10 beats per second when sounded with a vibrating sonometer string. What must have been the frequency of the string if a slight increase in tension produces fewer beats per second than before?

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